How An Infinite Hotel Ran Out Of Room

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If there's a hotel with infinite rooms, could it ever be completely full? Could you run out of space to put everyone? The surprising answer is yes -- this is important to know if you're the manager of the Hilbert Hotel.


References: Ewald, W., & Sieg, W. (2013). David Hilbert's Lectures on the Foundations of Arithmetic and Logic 1917-1933. Springer Berlin Heidelberg. -- ve42.co/Ewald2013

Gamow, G. (1988). One, two, three--infinity: facts and speculations of science. Courier Corporation. -- ve42.co/Gamow1947


Special thanks to Patreon supporters: Paul Peijzel, Crated Comments, Anna, Mac Malkawi, Michael Schneider, Oleksii Leonov, Jim Osmun, Tyson McDowell, Ludovic Robillard, jim buckmaster, fanime96, Juan Benet, Ruslan Khroma, Robert Blum, Richard Sundvall, Lee Redden, Vincent, Marinus Kuivenhoven, Alfred Wallace, Arjun Chakroborty, Joar Wandborg, Clayton Greenwell, Pindex, Michael Krugman, Cy 'kkm' K'Nelson, Sam Lutfi, Ron Neal


Animation by JD Pounds and Jonny Hyman
Thumbnail by Iván Tello
Music by Jonny Hyman and from Epidemic Sound and E's Jammy Jams (Hotel Lavish - Radio Nights, Steps in Time - Golden Age Radio, What Now - Golden Age Radio, Book Bag - E's Jammy Jams, Arabian Sand - E's Jammy Jams, Firefly in a Fairytale - Gareth Coker)
Written By Derek Muller and Alex Kontorovich
Sound Design by Jonny Hyman




9 May 2021




Yük bağlantısı.....


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Panda Escarlate
Panda Escarlate Yıl önce
I love how mathematicians literally need to invent a problem that doesn't exist
Samad Jamadar
Samad Jamadar Aylar önce
Joe Brandon
Joe Brandon 3 aylar önce
They've invented an infinite number of problems that don't exist
Advanced 5 aylar önce
Tim H
Tim H 6 aylar önce
Mathematicians create irrelevant problems to keep their jobs and get more government grants to solve problems that will never happen 😂🤣
Daniel Lee
Daniel Lee 6 aylar önce
@Una Persona Elegante was the answer 1? lol
sakanablesakanable 6 gün önce
No one seems to be concerned about the infinite number of complaints from the guests who were asked to move rooms. The infinite number of bad ratings and comments given. The infinite number of compensation claims.
Something Short
Something Short Gün önce
@Jme Juniperbut I don' think someone can just build something that's infinite right? So you would had to have rented infinite of the rooms just to plant trees and u would need infinite cash just to rent a single room and you don't start with infinite money you have a finite amount see what I'm saying?
Jme Juniper
Jme Juniper Gün önce
@Something Short Well, if you apply that logic, you can just say that the hotel can't be infinite (earth has a finite amount of space, and if they go upward unlike in the video they still would reach space pretty quickly and lose air. Even if they sealed the windows, they wouldn't have infinite air) Plus, they can build infinite rocket ships and find infinitely many planets exactly like earth.
Something Short
Something Short Gün önce
@Jme Juniperbut where would they put the trees? Earth is a finite area and they have to plant infinite trees no other planet has ground that can sustain life
Jme Juniper
Jme Juniper Gün önce
@Something Short They have an infinite safe and infinite tree plantations and infinite paper processing plants
Jme Juniper
Jme Juniper Gün önce
@Sandra H. But they have infinite staff and infinite elevators/conveyors with infinite speed to get the guests out
Geile Toni
Geile Toni 6 gün önce
Incredibile how you explained the concept of cardinality so incredibly easily, thoroughly and clearly in such short time!
jameson44k 2 gün önce
@Kopi Tarik If there are also infinitely many guests in the hotel and they occupy all rooms starting from 1, then all rooms are of course occupied. You can still move the guests around to make room for more guests, since the hotel has infinitely many rooms... but only countably infinitely many, so the uncountably infinite party bus will never fit, even if all rooms were unoccupied.
Geile Toni
Geile Toni 3 gün önce
@Kopi Tarik I'm not sure I understand your question fully, but the problem is comparing infinities, so you have infinite guests and infinite rooms, in theory all rooms are already occupied, so there is no empty room. By readmitting all guests to new rooms we show that in fact both infinities have the same size. This is the peculiar part, we create space where before there was no, so we practically "stretch" an infinitely long discrete distance, which by itself remains infinite to make space for new points.
Kopi Tarik
Kopi Tarik 3 gün önce
asking a question here. if theres an infinite rooms, why should they put an infinite guess to occupied rooms? why dont they just put an infinite guess to the empty one? since it was infinite right?
Nerdgamer 420
Nerdgamer 420 5 gün önce
My brain exploded by the time it ended
Syrus Coy
Syrus Coy 5 gün önce
You lost me how an infinite number of rooms are "full" yet can tell everyone to "move over" to "make room"
demil42 Saatler önce
@daniel smith they aren’t hacking anything, they’re doing maths with the Infinite, which can be counter-intuitive. Here is the thing. “generate” here is an unhelpful notion. In the video, he doesn’t “generate” a new Abba, he exposes one *which should already be accounted for* and isn’t. What the video shows is that some infinite sets are “as big as” one another, while others infinite sets are “bigger”. For instance, the set of positive numbers {1, 2, 3, 4…} is the same size as the set of nonnegative integers {0, 1, 2, 3…} because we can associate each element of the first set to a single element of the second set, by doing -1. That’s the first exemple, when he shows that a full Hilbert hotel can accommodate one more person. The set of natural numbers is as big as the set of natural numbers plus one element. In other words, infinity=infinity+1. The set of natural numbers is also as big as two copies of the set of natural numbers. That’s the second exemple, when he shows that a full Hilbert hotel can accommodate a full Hilbert bus. In other words, infinity=2*infinity. The set of natural numbers is also the same size as an infinite number of copies of the set of natural numbers. That’s the exemple with the infinite number of buses. In other words, infinity=infinity². Now, what’s more tricky is that there are bigger infinities. For instance, the set of all infinite sequences of As and Bs is bigger than the set of natural numbers. That is, you cannot find an association of each element of the first set to a single element of the second. In other words, 2^infinity>infinity. That’s what the party bus explains.
Janken Pro
Janken Pro 3 saatler önce
There are an equal number of even, odd and natural numbers. Twice of countable infinity is still countable infinity aka aleph null, in fact countable infinity times countable infinity can't even reach uncountable infinity of real numbers i.e aleph 1. Then there are bigger infinities still. Inaccessible cardinal is to aleph 1 what infinity is to any finite number. There is Mahlo cardinal, Woodin cardinal and Berkeley cardinal. And none of these compare to the monster of absolute infinity.
Daniel Jimenez
Daniel Jimenez 14 saatler önce
@Trolly yeah...sure... so much star trek, I think.
Vagian Tuerous
Vagian Tuerous 4 gün önce
I agree: At some point the walk to the room just becomes too long...
C U Yıl önce
This is kinda of stuff mathematicians imagine when they're high
Zed Zee
Zed Zee Gün önce
It's actually a very important aspect of reality - the difference between actual infinities and potential infinities determines whether we can have, for example, a universe without a beginning or not.
Na Gone
Na Gone 4 gün önce
@Bilal Omer amogus
Bilal Omer
Bilal Omer 4 gün önce
@Na Gone alright genius!
Na Gone
Na Gone 4 gün önce
@Bilal Omer not first maybe. It s not possible to know
Clouded•Moon 7 gün önce
True imao
Aspen Weaver
Aspen Weaver 5 gün önce
Just use an infinite take-a-number ticket dispenser. Have all the existing guests move to double their numbers, then back one room, so they're now in all the odd-numbered rooms. Next, have the ABBAs enter the hotel in arbitrary order. They each take a ticket, then double the number on it to get their room number. The first guest takes a ticket. It says #1, so they get room #2. And so on for infinity. I think this shows that the distinction of using "unique names" instead of "unique numbers" is just smoke and mirrors. Any infinite set becomes countably infinite when you, you know, count it. Am I missing something here?
demil42 45 dakika önce
Here is the thing. Let’s assume we use your method for just 2 Hilbert buses (not ABBA busses, just infinite buses.) Everyone on the first bus can get a ticket. However, it would take infinite time just to finish the first bus, which means that nobody on the second bus ever gets a room. There is a way of accommodating everyone on both buses, but you have to be smarter. For instance, assuming you first make an infinite number of free rooms, you can put the first person of the first bus to the first available room, then the first person of the second bus in the second room, then the second person of the first bus and so on. Now, with the party bus, it’s the same thing except we can’t be smart. There is no way to accommodate everyone. Also, keep in mind that there is no natural order of the people in the party bus. We can choose a first one, let's say the guy with only As in his name, but you have to make a choice for who is the second guy, then a choice for who is the third etc. You can’t just count them “in order”, because there would need to be a canonical order, and there can’t be.
moonlight Gün önce
@MrManniG there will always be an infinite amount of people without a room
A Prinny On Break
Just build a second floor. Now the abbaba crowd not only has infinite space, but they pay a premium for it.
MrManniG Gün önce
Couldn' you just tell the to walk along the row of rooms till they get to the first room thats not occupied? Maybe give them a bottle of water as the way may be quite long (but not infinatly long)
kamil2358 2 gün önce
@jameson44k You see, thing is you are talking about verbal representation of artificially created mathematical problem that does not exist in real world and is not applayable to real world. And I am talking about concept of "real" infinity, that (if it existed in our world) would work like I said. I agree that your mathematical calculations are correct but this is not what I am talking about.
13TimeHits 3 gün önce
I'm not ok with this problem. If there is an infinite number of rooms, then you never have to worry about infinite amounts of buses full on infinite number of people... They'll just fit The real problem is that some people are gonna die from old age before they reach their room
Apurba Samanta
Apurba Samanta 21 saatler önce
😂😂😂 I was about to write the same thing 😂
Oscar Wong
Oscar Wong Gün önce
@king Lagecy who knows
king Lagecy
king Lagecy Gün önce
@Oscar Wong then how did thet build the first one
Oscar Wong
Oscar Wong Gün önce
@A Prinny On Break would take an infinite amount of time haha
A Prinny On Break
When the infinite number of rooms fill, just build a second floor, lmao
Username 669
Username 669 4 gün önce
Man, imagine turning the Backrooms into a 5-star accommodation
Rowan Weaver
Rowan Weaver 3 gün önce
I was thinking eventually it would take it so long to make it to your room that your stay would be up by the time you reach it, like a logic puzzle haha
Justin Silvers
Justin Silvers Yıl önce
This hotel sounds like literal hell. Imagine being disturbed Infinitely to Infinitely walk down a hallway to your next room. I would literally prefer to sleep in the dirt than be subjected to near endless walking at this hotel.
gute de guzman
gute de guzman 16 gün önce
Jawatu 18 gün önce
@Bill Craig your account is 10 years old I assume you dont know what a joke is
Adriann Louie Marquez
This is what the RAM in our computer does. It's the hotel for non-stop data coming in and out.
OfficialAir Yıl önce
@Some Guy get some healing bottles
Some Guy
Some Guy Yıl önce
U would literally die
Verzium 4 gün önce
He explained everything in detail and yet I still don't really understand how
Jacob Skinner
Jacob Skinner 2 gün önce
Imagine dying of natural causes walking the distance from infinity to the front of the hotel.
Kinshuk Singhania
Kinshuk Singhania 7 gün önce
Wow the notion of countable infinity just blew my mind 🤯
Memes By Doggo
Memes By Doggo 15 saatler önce
Imagine being the one person with the names including a and b and you don’t get a room in a hotel that’s infinitely long
Jon Doe
Jon Doe 5 aylar önce
Hotel manager: "You want a room, sir? No problem. The last room at the end of the hall is still free. Just follow the hall and you'll get there. Eventually."
Drake Gün önce
@Oggy you know what is infinite?
CottonJune Gün önce
wong Jamir
wong Jamir 6 gün önce
Amazingly Everything
See you next week, I gotta go meet with the elder gods in room 858347296482749264874849675026
Kenan Dogru
Kenan Dogru 2 aylar önce
The sir: ye but there is no last room
Reason Forge
Reason Forge 2 saatler önce
5:26 When you still have people left over, just go back to doing the n+1 shift an infinite number of times for each one. Now of course it is not really possible to have the guests move an infinite number of times in the night, but then it was not really possible to have an infinite hotel nor to have an infinite number of guests check in or move rooms anyway.
Mr Duckman
Mr Duckman Gün önce
Someone give that manager a raise, please
Joey aka C3veron
Joey aka C3veron 23 saatler önce
Well, the first problem that came to my mind was that the hotel can technically be seen as full when the time it takes to get to your room would be longer than your stay, if the hotel would have only one reception ofc.
lost 5 gün önce
I’ve watched this so many times within the last year and my head hurts every time but I start to process things the next time I watch it
neku1022 7 aylar önce
Dont you hate it when you're working as hotel manager and then infinite amount of busses full of infinite people decided to use your hotel
Omni 3 gün önce
Sounds like an actual Backrooms level haha
Sample Gaming
Sample Gaming 5 gün önce
YeaH! man, I HATE it when that happens.
Nooraldeen Alsorori
Nooraldeen Alsorori 14 gün önce
I am gonna get an infinite amount of money so that shouldn't be a problem😂😂😂
Idk Lol
Idk Lol 17 gün önce
it’s like that one episode of spongebob with the anchovies
GreenColossus 19 gün önce
I hate when im chilling in room 204939 and then the manager tells me to go to room 939292828291982929292 and i have to walk all that
Itz Froggy
Itz Froggy 5 gün önce
Imagine getting the room all the way down that hallway 😂
Erick King
Erick King 11 saatler önce
One problem, the name you suggest who "wouldnt be on the list yet" would have already been on the bus and checked in if it was infinitely long. Thats the problem with paradoxal math problems you can usually flip them using the same logic and break it.
Ethan Ruble
Ethan Ruble 3 gün önce
The last problem doesn’t make sense because you said there is an infinite number of ab sequence names so that sequence would eventually be on the list because its still a sequence of ab repeated infinitely
pronz72 Gh
pronz72 Gh 3 gün önce
That’s incredible animation, love that!
pronz72 Gh
pronz72 Gh 3 gün önce
So, basically, we can fit infinite 🦖 from infinite 🚌 , or infinite squared, so to speak, but we cannot fit an infinite number of people with infinite length names! Problem is you cannot write all of the names in the register, I think 🤔 💭
Alif Putrawan
Alif Putrawan 10 aylar önce
I'm impressed that a bus has more capacity then a hotel.
Nazim Azam
Nazim Azam 4 gün önce
Are there an infinite number of bus drivers, only asking cos my uncle is a bus company manager and he told me there is a shortage of bus drivers🤣🤣🤣
M. P.
M. P. 7 gün önce
@Gecc No. There are only 4 seats there.
Ladislav Holub
Ladislav Holub 14 gün önce
Bus is uncountable infinity, hotel is countable infinity, infinity equals infinity anyway. Don’ t forget that Cantor got insane🤣
purvadithya gowda
purvadithya gowda 15 gün önce
@Kelsey see where im goin' ?
Kelsey 15 gün önce
@purvadithya gowda waut..... nah ur on to something 💀
FedoraKnight 6 gün önce
If I stayed in this hotel and I was told to move past 100 rooms, I'm leaving.
zotols 2 gün önce
Imagine the amount of guests asking for extra towels, and by the time you've reach their room they've already shifted an infinite number of times. I quit.
Aik Howe Teo
Aik Howe Teo 5 gün önce
In a situation where there is an infinite rooms, filled by an infinite number of people, then by reasoning, there cannot be any additional people because an infinite number has already filled the rooms.
Nate Rardin
Nate Rardin 2 gün önce
That's not quite how the concept of infinity works. You need to consider that infinity isn't a number and can't be treated as one. This logic holds for numbers, sure, but not for the concept of infinity.
Fine Ants
Fine Ants 14 saatler önce
“Pull on the opposite end of this line” …there is no end. It’s infinite.
Lao Aidan
Lao Aidan Yıl önce
“Infinity + 1” is a kid argument i never guessed would be supported by actual math
Crazy Introvert T-Girl
Crazy Introvert T-Girl 10 saatler önce
Kriz Yamz
Kriz Yamz 2 gün önce
Why would you need more than one bus If one bus has an infinite amount of people.
sapnupuas 13 gün önce
@Arga most people were kids before a random vsauce video
glen denog
glen denog Yıl önce
@FirstAidSack Because "my infinity is bigger than your infinity" is a worthwhile discussion, lol.
FirstAidSack Yıl önce
But it isn't.
GreenBroccoli 11 saatler önce
It's not the hotel which failed but the management team, so let's put the logic aside (which has already been done by the narrator) and assign infinite number of receptionists and hotel staff to deal with infinite number of people. Simple !!!
Ry 5 gün önce
Me: super excited to find out how uncountably infinite actually ends: Veritasium: Its countably infinite …
DudeMusic 🎶
DudeMusic 🎶 2 gün önce
Imagine how good the guy in room 1 feels, only has to walk a few steps to make it back
Me-not you.
Me-not you. 11 saatler önce
I admit I’m not intelligent enough to be able to work this out, but I am intelligent enough to know I don’t need to be able to work it out as a situation will never arise where I’d need to know it, I feel knowing this makes me more intelligent in the “real world” than people who can work it out.
kurixpq Yıl önce
Teacher: The test isn't that hard. The test:
Crazy Introvert T-Girl
Crazy Introvert T-Girl 10 saatler önce
Puzzled Archer
Puzzled Archer 2 aylar önce
@Pirately that's not really I "wooosh" they clearly understood the joke and made another one to respond
Eli Caleb
Eli Caleb 2 aylar önce
@Satish Chaudhary r/whoosh
Shadow Gaming
Shadow Gaming 4 aylar önce
@Satish Chaudhary /r woosh This shall be your infinite punishment
Object Show Studio
Object Show Studio 4 aylar önce
@Satish Chaudhary r/whoosh
ItsJustMe 6 gün önce
Most awesome explanation ever!
Christopher D
Christopher D 3 gün önce
This definitely helps explain the idea of infinity. But I'm not sure I'd like to stay there if I had to keep switching rooms while there. Especially if I'm supposed to be getting rest.
Frax 2 gün önce
The creatures in the video aren't exacly humans and it might not bother them to change rooms
Nov Ember
Nov Ember 7 gün önce
Imagine, checking in at this type of hotel in the middle of the night then you were keep on moving into another room every 1 minute. Infinite insomia it is.
Ryan R
Ryan R 5 gün önce
Then you go to checkout and your bill is infinite. Bankruptcy it is.
Gabriel Augusto
Gabriel Augusto Gün önce
honestly,the idea of each one down one room already say how smart you are than me
Julian Santos
Julian Santos Yıl önce
“Imagine if you were a hotel manager and a bus pulled up with an infinite number of people in it” No I will not imagine
Audiblade 2 aylar önce
I agree, there's no point in imagining something that happens to be every day.
danny 2 aylar önce
Exactly, who are they to ask me to imagine
Summaia chaudhary
Summaia chaudhary 9 aylar önce
Its TKB 9 aylar önce
Imagine the infinite amount of babies crying
Khogen Mahato
Khogen Mahato 3 gün önce
Can someone please explain this to me? If you write down every possibility of the two letters then why flipping the diagonal letters will be unique? I mean there must be a person with the flipped letters also. Right?
Janken Pro
Janken Pro 3 saatler önce
No because at least one letter will be flipped since it will go through the name as well.
medeobiselita 8 gün önce
This is definitely cool 🤩 and really hurting my brain as well 🤣
Sir Lance Lote
Sir Lance Lote 6 gün önce
An answered question: will the guests be staying for an infinite number of nights? If not, then what???????
Henry Mann
Henry Mann 3 gün önce
Then it’s an apartment
Jinzhao G. Yang
Jinzhao G. Yang 5 gün önce
There is another way it ran out of room (it’s when all the people got tired of moving so they stopped living there)
Somebody 8 aylar önce
Imagine spending the whole holiday just to reach to your room in an infinite hotel
Ranjeeta Ranjan
Ranjeeta Ranjan 4 aylar önce
How Many PW Do You Need For Those Lights Maybe 10¹⁰^3003
Bang Mikhail
Bang Mikhail 4 aylar önce
Well, luckily i got infinite holidays
keelo weewoo
keelo weewoo 4 aylar önce
then you remember you forgot your keys
biskut tembikai
biskut tembikai 4 aylar önce
Im afraid to spend for the rest of your life to reach your reach
Mojo16011973 5 gün önce
You book a room for one day. You start walking to your room at 5km per hour, and if each room is say 5m apart, and you walk for 24hrs solid …. then you would arrive at room # 24000 at the end of your walk. Unfortunately it would be time to check out then.
Me Qwe
Me Qwe 5 gün önce
I think I’ll just stick with being a “lesser manager” thank you very much
Drakath 11 saatler önce
(note I didn't use math in this logic) If hilbert hotel doesn't have to make the people move their rooms what if they just use names and which rooms are occupied the solution is just going to the higher number rooms each new guest
Bayraktar 7 gün önce
God bless the room service lady.
Neeraj Singh
Neeraj Singh Yıl önce
Imagine being so unlucky that you don't even get a room in an infinite hotel.
capythany 3 gün önce
its the backrooms
Anne Marie May
Anne Marie May 4 gün önce
Ah. just forget all this intellectual math stuff. Just act as if you just did a few random crimes and you're almost certain to be guaranteed a free room in the local slammer. Just make sure people see you do it, though...
Cash Dawe
Cash Dawe 6 gün önce
i got this random luck add while reading this
Rais 11 gün önce
Must be stuck with an airline cancellation.
Sushi Fr.
Sushi Fr. 16 saatler önce
Wait, so how do you fill a bus with an infinite amount of seats
Hocomania 3 gün önce
The last one kind of confuses me for 2 Reasons 1. The Manager supposedly said that they cant fit all of them in the Hotel but literally creates a solution. 2. Why not just make it work like a Single Infinite bus? since it doesnt require seats anyway sure it doesnt work with an Infinite number of an Infinite “Party” bus but still works for a single “Party” Bus
Geile Toni
Geile Toni 3 gün önce
1. This is a very common procedure in math called proof by contradiction, he assumes there's a way of fitting everyone in and them shows, that at least one person is missing, which is a contradiction and proves the statement. 2. Follows from the proof of contradiction. It doesn't even work with only one bus without seats, because that bus represents an uncountable infinity
Callie T
Callie T 2 gün önce
i’ve watched this probably at least 6 times im still confused
Lappmogel 3 gün önce
I'd just have one of those "vacant" flip signs on the door. Tell each person to just walk down the hall to and take an empty room.
Trygve Plaustrum
Trygve Plaustrum 8 aylar önce
"All right, everyone, move to the room number that's twice your current room number." *Guy at Room One Billion:* "Ugh, fine..."
Crazy Introvert T-Girl
Crazy Introvert T-Girl 10 saatler önce
tj 3 gün önce
Imagine being a guest in a room of whose number is one followed by billion zeros, so 10^(1 000 000 000)
blank pfp
blank pfp 4 aylar önce
Person at 10^10^677: *doesn't exist anymore when he got into the room*
Di4 Dus OTHER Stuff
Di4 Dus OTHER Stuff 4 aylar önce
Guy at room Googolplex: *damnit*
RosewoodInternetTeam 4 aylar önce
@Mohammad Abdullah Eh,still small than the guy in one graham number
Mai 3 gün önce
This took 50% of my brain power to understand
charlie 3 gün önce
Just tell them to find a room that’s free and call it a day
Sheepy sheeps
Sheepy sheeps 2 saatler önce
"All of a sudden an infinite number of buses with infinite number of people show up, what can you do?" I'd quit
Spheroidial Master
Spheroidial Master 3 gün önce
I agree with Syrus Coy. This whole description fails 50 seconds in when you say all the rooms are full. It is NOT POSSIBLE in any reality to move the infinite people. It would take an infinite amount of time. I don't think any timeless example demonstrates anything remotely usable.
HaruSenshi Yıl önce
Imagine disturbing an infinite amount of clients just to fit one more person in the hotel
Tworsfeline Aylar önce
@Jeroen Well, "we" are gonna pull the end of an infinite string.
Flygawne Bard of Light
@TRXP RFT doesn't that mean it's a worthless economy? Edit: wait, no, nevermind. Infinite can both inversely and directly impact the value of the economy, and infinity over infinity is still infinity
TRXP RFT 2 aylar önce
@Flygawne Bard of Light not when your economy is infinite.
Phoenix Bagri
Phoenix Bagri 2 aylar önce
@hypyu there's no end to infinite
Ezraisaninja C:
Ezraisaninja C: 5 aylar önce
When you are the "MATHEMATICIAN" Christopher Nolan of the parallel universe 🤣
The council of memes
i love making math equations for no reasons my favorite one ive solved is how many hummingbirds (average size) fit into one (average sized) watermelon
Eren edits
Eren edits 6 gün önce
what if there was a guy in the 1,000,000,000,000,000,000,000th room and he told to double the rooms he had to go (his legs would be dead)
Tata Hsieh
Tata Hsieh 8 gün önce
1:25 Imagine if you were like room 1 Million how long would you take to walk there?
That Dude
That Dude Yıl önce
“An infinite number of infinite busses.” - “Dear god.” “But now a big bus pulls up” - “No.”
Season Cookie
Season Cookie 5 aylar önce
An infinite number of infinite busses with infinite people with infinatly long name.
Strangerthingsfan744 5 aylar önce
@lol⚫ mkay
lol⚫ 5 aylar önce
@Strangerthingsfan744 you can't make infinite longer
Strangerthingsfan744 5 aylar önce
Infinity big infinity long infinite rows of infinity big long rows of buses
lol⚫ 5 aylar önce
But each bus is infinite so it can't be longer
Rychleji 10 saatler önce
Oh yes. Accomplished manager... Moving guest out of their rooms every time someone new arrives. Not getting fired at all
socc Gün önce
Yeah but how does laundry and cleaning work at this hotel? That’s honestly the most important aspect.
Curtis 3 gün önce
When she asks to see the manager just tell her they're in the room at the end
H 4 gün önce
I love how mathmaticans literally need to invent a problem that doesn’t exist
Alex Guy
Alex Guy 7 aylar önce
It’s funny how this assumes that the guests don’t care about moving from their hotel rooms a crap ton of times
TeamSprocket 7 gün önce
Well, there's always going to be someone in a worse spot than you, so you're not going to complain.
Cuzwhynot 3 aylar önce
rip guest 1000000
Eradium 3 aylar önce
@Natalia Borys Imagine beign the the room 2056 then sent to 4096 then to 8192
Pov your in room and he asks you to go in room
Blake Fieleke
Blake Fieleke 5 gün önce
imagine waking up at room 1 trillion and the front was at door 1 😳
Geoffrey Richards
Geoffrey Richards 6 gün önce
While this is indeed a mindblowing thought experiment, I’m just chuckling at the alien character designs used for the animation.
Levin Palm
Levin Palm 5 gün önce
ah yes, back in Uni when we proved that there are more real numbers than there are natural numbers
Koloss 3 gün önce
This is actually solveable, you can simply put number 1 for the letter A and number 2 for the letter B then whoever shows up you'll always have a room number for them
Geile Toni
Geile Toni 3 gün önce
Sadly not, because even if the hotel has infinitely many rooms, no room has an infinitely long room number, which would be required
The Scarlet Slayer
Problem: * literally starts out with every room being full* Also problem: we have plenty of space for infinitely more infinities
Lor00D Aylar önce
@The Scarlet Slayer Well happy St Patrick's day for when you get this!
The Scarlet Slayer
The Scarlet Slayer Aylar önce
@Lor00D I finally made it to my room after 10 months of moving rooms. Course if we have to do it again it'll take another 10 months for word to travel.
Lor00D Yıl önce
@The Scarlet Slayer Surely they would have mention this on trip advisor? I guess its natural selection then!
The Scarlet Slayer
@V course now the rest of all existence for them will consist of people leaving their rooms then going down to new rooms. Like how when you whip a rope in a certain way It causes that wave effect and starts travelling down only this time there is no end.
V Yıl önce
That's the beauty of infinity
The 36 Lessons
The 36 Lessons 6 gün önce
I feel strange about this: I wasn't surprised or had my mind blown...it may also have to do with my disinterest in mathematics possibly.
Michael Davis
Michael Davis 5 gün önce
You shouldn't be surprised at all. In fact this is rather boring and useless theoretical scenarios given than infinity is a concept we made up. Should it be a shock that you can manipulate your invented concept to fit your theory?
Zachariah Scoggins
Zachariah Scoggins 3 gün önce
Let’s not overlook the obvious. There will always be rooms available. The ones walking for such a long time will die from lack of sleep therefore freeing up rooms.
Randy Zero
Randy Zero 3 gün önce
This video broke my brain on an infinite level.
Janken Pro
Janken Pro 3 saatler önce
"Alright boys, looks like the hotel can't give everyone of us a room so we have to sleep in the bus tonight."
Noah Rogers
Noah Rogers 4 aylar önce
Thank you so much!! As a hotel manager this is a problem i run into everyday, this video is so helpful!
Rich Niccolo Ison
Rich Niccolo Ison 2 aylar önce
@Check my about page link .
Rich Niccolo Ison
Rich Niccolo Ison 2 aylar önce
Ashwin T
Ashwin T 2 aylar önce
Can i get a room in the hotel. The last one.
Not_Professor 5 gün önce
I’m not even gonna use this in life , but this is interesting
Naruto Uzumaki
Naruto Uzumaki 3 gün önce
Imaging moving to a different hotel room up until the heat death of the universe, 🤣
what 2 gün önce
Why is nobody talking about how the guests probably feel having to switch rooms every 5 minutes 💀
Galaxy 8 gün önce
I think I have a solution. I tell everyone in the hotel to move the amount of occupied rooms plus their room number forward. As they have to move infinite rooms forward, we make infinite vacant rooms, to fit in all people in the last bus.
socalminstrel Yıl önce
"Imagine a bus pulls up with an infinite number of people..." "Okay..." "Now imagine a BIG bus pulls up..."
Reece 9 aylar önce
Imagine a cat with 6 legs
markina 9 aylar önce
@CJBox yup
Blobfish Yıl önce
@CJBox It isn't that surprising, and there is a reason why it seems to happen to a lot people. Think about how many different comments you read and how many different videos you watch. According to statistics, you are bound to encounter a comment that overlaps with your current video time. It just seems common because we only think about the times it does occur and never about the times it doesn't. It would actually be way more surprising if that never happens to you.
Pix Yıl önce
@CJBox fr lol
Anal beads
Anal beads 5 gün önce
What if the rooms want to fit into the people?
A.Y.T. Tech
A.Y.T. Tech 5 gün önce
Wow this just gave me a new perspective on infinity
GALATiRoK 14 saatler önce
The clerk must be infinitely faster than speed of light
Winzy2k 4 gün önce
I’m definitely gonna forget this tomorrow, but for now my mind was blown.
Sacre Moon
Sacre Moon 9 aylar önce
I would be like: just keep walking. There are rooms available forward 😅
Anime Shorts
Anime Shorts 7 aylar önce
If I will the manager .I keep a train to all the rooms😀😀🤔
Raltz010 8 aylar önce
So that you can stop even searching Halloween decorations, there would be skeletons everywhere
Sophia Mendes
Sophia Mendes 8 aylar önce
And they would never come back aging on the way
wonyoung's pre-chrous
wonyoung's pre-chrous 8 aylar önce
Me_Sad 5 gün önce
My brain had a stroke when he said “there are different infinity”
Talibanu' 3 gün önce
Cant you just tell the one who wants a room to walk to a free room? Its his problem if he wants to walk 999,999,999,999,999 meters
Mick Namens
Mick Namens Gün önce
God gets the room with number "infinity" written on the door. So he never needs to change the room. 🤣
ELECTRO688 3 gün önce
I would just move them down continuously like the keep going up numbers. It is simple. You don’t need a bunch of spread sheet stuff.Just put the in room 1,000,000,000,000 or something.
Frank Sogusa
Frank Sogusa 3 gün önce
No this method does not work, because 1,000,000,000,000 is nothing compared to infinity.
W B 8 aylar önce
I've seen multiple videos on this subject, and if it's not the most complete, it's by far the simplest and most clear I've seen. Great job
80cardcolumn 6 aylar önce
@Samuel Springs Yes, but all infinity of rooms are filled initially, so there will never be an empty room to start the sequence of moves.
MoltenMath 7 aylar önce
@nathan sun ted ed didn't make it though
@W BIt isn't necessary to shift all the time
@Andre yes that's also what i thought, you are right
i dont even think this is possible
Himanshu sharma
Himanshu sharma 6 gün önce
I like that "the fault in our stars" quote ... "Some infinities are bigger than other infinities".. 😊
JCMineBloxs 2 gün önce
I feel bad for the cleaning service
FiveZERO 3 gün önce
Just tell them "keep walking till u find an available room" if they walk forever that's a them problem 🤷🏻‍♂️
King ghast
King ghast 5 gün önce
How would the bus get there when it’s so long without getting pulled over?
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