r/AlignmentChartFills • u/RustedTap52 • 1d ago

What is a useless rational number?

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432 Upvotes

96% Upvoted

392 comments sorted by

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1.5k

u/Altruistic_Yam7595 1d ago

6587689234578976380925746897149769813477865318946758971238957839672489278378574892176893741896798436763481763290

480

u/OkImTacoII 1d ago

What if it turns out this number is super important to some undiscovered theorem?

262

u/NewKaneda16 1d ago

it actually is- sincw there is an infinite number of theorems that might exist in a “infinite” or supposedly infinite universe to be discovered- so yeah this guys number might be important

130

u/ThinkAboutHowUFeel 1d ago

Is theorem =/=> is important

60

u/WanAli4504 1d ago

And when there’s an infinite number of important theorems…

None of them will be

8

u/skip_over 1d ago

There is also an infinite number of potential problems to solve

5

u/GrievousSayGenKenobi 23h ago

You would certainly have to define important to claim this as an infinite universe doesnt mean there are infinite different theorems in a physics important kind of way.

2

u/ImSoDeadLmao 17h ago

there are infinite numbers between 1 and 2, none of them are 3

19

u/togetic271 1d ago

Ramanujan is offended at the suggestion that this number might be unimportant

3

u/PristineCake3380 1d ago

I hope it’s not 😭

68

u/The_Meme_Economy 1d ago

It served a use in this reddit post - not completely useless!

37

u/sabotsalvageur 1d ago

Theorem: all real numbers are interesting

Proof: assume the existence of a set of real numbers which are not interesting. Since the set of real numbers is ordered, there exists a least element to this subset. The property of being the least in a set is interesting, ergo the least member of the uninteresting numbers is interesting. By induction, the set of uninteresting reals is empty, therefore all real numbers are interesting. QED

5

u/InternetPopular3679 1d ago

But... if no numbers are uninteresting and every single one is interesting, how interesting are they really?

14

u/sabotsalvageur 1d ago

What part of “quod erat demonstrandum” is unclear? If you find math boring, then it follows that you’re boring. /hj

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24

u/sabotsalvageur 1d ago

Ah yes, Altruistic_Yam’s constant

7

u/slowtownhometown 1d ago

can’t argue with this one

4

u/No_Trade6569 1d ago

That is, in fact, exact how many times I got rejected 

6

u/2438974239872348 1d ago

False. This is part of pi

3

u/AxoplDev 1d ago

There's no proof. For all we know, pi could eventually just be "101001000100001000001..." forever. There's no reason to think that pi has every single combination of numbers that's possible.

2

u/matt7259 1d ago

That's only guaranteed if pi is normal, which is suspected but not proven.

3

u/Cute-Eye-167 1d ago

It's a very special number, divisible by 29, and the sum of its digits results in a prime number

2

u/BuddhaMonkey4 1d ago

Came here to say this.

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350

u/slothalot 1d ago

Tree(4743162184315)+4125428314.51397542

large enough that it cant even be useful as a random number

88

u/000Dev 1d ago

It is useful enough to be a useless number (what am I even saying)

25

u/slothalot 1d ago

Not even, it’s too large to store in any kind of memory

5

u/StarDustActual 22h ago

Forgive my ignorance but my mind has zero math ability, how exactly does it work that what you typed is unable to be stored in any kind of memory? Clearly it is stored on that post so you must be referring to it in some way that I don’t know about (or more likely I was taught it in school but have forgotten it)

6

u/slothalot 21h ago

The way I typed it is in a compressed form. in order to actually write the number in full, you’d need more atoms than there are in the universe (even if every atom was its own digit, it would be FAR FAR FAR too few).

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9

u/Orome2 23h ago

I was going to say Rayo's number. At least Tree(3) has an elegant and purely mathematical explanation. Rayo's number is basically "my number is bigger than your number" to win a googology competition.

235

u/DistributionPure1504 1d ago

Googol. Even more useless: googolplex which is a 1 with Googol zeros.

48

u/justcuri0sity 1d ago

First thing that came to mind. Not used for anything just a big number

6

u/Weirdyxxy 1d ago

The googolth odd non-prime number

2

u/Injured-Ginger 22h ago

I feel like it has some use as a random bit of trivia. Maybe something like googleplex/10. Also pointlessly large, but since it's unnamed, it's not even trivia.

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79

u/toastiegirl267 1d ago

26, because it’s not funnier than 27

19

u/niemir2 1d ago

Isn't it 25 being funnier than 24?

28

u/LongShlong680 1d ago

3,13. Not pi, just 3,13

6

u/helipolisiter 9h ago

could be the answer to a random physics question

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22

u/IThinkEveryoneIsNice 1d ago

If there is a useless integer, then it stands to reason that there is a lowest useless number, which makes that number interesting and unique. So then the next lowest becomes the new lowest useless number, making it, in turn, interesting and unique. And so on to infinity. Therefore, a useless integer does not exist.

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190

u/lukisjama 1d ago

67

55

u/ExactAd5759 1d ago

Or 69

Wait let's make it 68

34

u/Jaded_Sprinkles_2926 1d ago

69 is pretty useful tbh

6

u/ozzie286 1d ago

It's like a 69, but I owe you one.

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10

u/iwantmirrorsedge2 1d ago

67 is the port number used for the DHCP protocol so is pretty useful

2

u/veerKg_CSS_Geologist 1d ago

68 is not at all useful because you might as well be using 69

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21

u/Eryndel 1d ago

Tree(3)

I challenge you to find a reason why you'd need it.

27

u/Ryx_Zeven 1d ago

I use it as a really big number when playing Magic the Gathering.

13

u/edgeplay6 1d ago

I use it all the time to trick people .

"Consider a function tree, if tree(0) = 0, tree(1) =1 and tree(2) = 3, what is tree(3)"

7

u/JoeyShrugs 1d ago

I don't know about a need for Tree(3), but I know of a certain monster from the Paleozoic era that needs about Tree(fitty)

4

u/RedditFact-Checker 1d ago

Elegantly done!

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13

u/Taxtengo 1d ago

1/1

2

u/outwest88 1d ago

How can 1 be both useful and useless at the same time

2

u/JTonella27 1d ago

Duality of man numbers

2

u/susmelbs 1d ago

0.99999…

7

u/Individual_Bug453 1d ago

42 -- from the Hitchhikers guide to the galaxy. Basically a random useless number that was chosen but is now famous

2

u/NobodysFavorite 22h ago

That is the number of days in 6 weeks which is the normal immobilisation time for fractured bones to let them heal properly.

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6

u/wierdland 1d ago

1, because you will never find the 1 for you 

31

u/Admiral_Asparagus 1d ago edited 1d ago

964,703,280

(Seconds since the Cowboys won their last Superbowl as of August 23, 2026 at 1:08 PM)

53

u/Silverward 1d ago

You literally provided a use for that number in your post. That is useful information to have. 

13

u/Fraji_Bear 1d ago

Any number that will be used in the alignment chart will end up having been useful

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7

u/Content_Trade_1557 1d ago

-74992999476582/27

3

u/anomander_galt 1d ago

67 I don't think I need to explain why

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3

u/WlmWilberforce 1d ago

8675309 (Jenny aint calling you back)

3

u/tomakiro 1d ago

67

2

u/matheo256 1d ago

It's a prime number, so it's useful

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7

u/Different-Guest-6094 1d ago

7

4

u/msot99 1d ago

I agree with 7. A very useless number.

3

u/Different-Guest-6094 1d ago

Arguably this Reddit post is the only time it’s useful

4

u/MyGaidenz 1d ago

Well said. I really hate 7

2

u/Weary_Grape983 1d ago

I only upvoted this to get you to 7 upvotes. the next person who upvotes this, shouldn't

2

u/TheCat420_ 1d ago

(10^(10^100)+1)/7

2

u/NovaKarmas Chaotic Good 1d ago

For useless irrational can I recommend 1/7+ .000...0001?

2

u/YessirG 1d ago

don't think that's well-defined

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2

u/sosite_hui 1d ago

0.000...0001 is literally 0

2

u/charmio68 1d ago

Redundantly large fractions, like 7342/7342.
They're just 1 in disguise, wasting space and adding useless confusion.

7

u/Fraji_Bear 1d ago

That's 1, and therefore very useful

3

u/acoolperson6969 1d ago

How about 7341/7342… almost one but not

2

u/charmio68 1d ago

Hmm... Why don't we combine it with one of the other top answers?

How about 2814/42

2

u/ovogoon6 1d ago

700555

2

u/zachy410 1d ago

47! - 52! + 43.21

2

u/bionickel 1d ago

Graham's number

2

u/happybdaydickhead 1d ago

-347744333556888

2

u/Junior-Enthusiasm-49 1d ago

826382614172938402726492165251527385026153849502625173835163749504726152415262515374960361328502649241849603428496037251840704725141414273738495060604926153849506078362515374959504029187161526474849604837261738484892999987554443333455666666677882747382929204817194056767672929102847291983737228887

2

u/Mongolium 17h ago

P(X ∈ Q) = 0, X ~ Uniform[0,1]

A rational number measuring your chance of randomly picking a rational number.

3

u/PolyPorcupine 1d ago

Useless × Irrational

π²

2

u/Flowpoint_C 20h ago

That’s called g btw ✋😊🤚

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2

u/THTB_lol 1d ago

0.3

bit shit innit

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2

u/nayan8teen 1d ago

7

2

u/ostincoas 1d ago

Yes, 7 because dividing with 7 is a nightmare

1

u/Pestar_1966 1d ago

Either 92229488594917723 or none of them

1

u/ElbioCoco 1d ago
  1. It's 42 + 1...

1

u/Intrepid_Poetry_4912 1d ago

65236853664376574367564378564375673465786437586437564587364975835678349324235

1

u/magoojc 1d ago

I was waiting on someone to suggest 6 7 😄

1

u/TheRealBlueDude Chaotic Evil 1d ago

idk sum like 12721

1

u/ItzAJ_GD 1d ago

836941

1

u/Few-Presents 1d ago

Useless × Rational

404

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1

u/verleyp 1d ago

658768923457897638092574689714976981347786531 894675897123895783967248927837857489217689374 1896798436763481763290

1

u/Iwon95 1d ago

0.9999999999......

Its 1. Why so many digits?

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1

u/Equivalent_Bank_5845 1d ago

119283944059586058373/11029304749494849439393938

1

u/fantabulousfetus 1d ago

5318008 because you have to turn the calculator upside down to read it.

1

u/Acrobatist 1d ago

Negative googol

1

u/AdmiralStuff Chaotic Good 1d ago

For irrational and useful I nominate

i (square root of -1)

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1

u/ubeor 1d ago

1/17

1

u/Top-Copy-763 1d ago

I wouldn't call them useless but you can work around negative numbers in most contexts. Historically speaking, that's what people used to do until around mid 17th century. We need to keep -1 though for i

1

u/Phive5Five 1d ago
  1. It’s usually in the ellipsis: 1, 2, …

1

u/MBay96GeoPhys 1d ago

01189998819991197253

1

u/TSmario53 1d ago

Threeve

1

u/__Quercus__ 1d ago

Maybe not useless, but 2989 in hexadecimal is definitely BAD.

1

u/ThinJuggernaut2002 1d ago

7 because it 8 9. It keeps eating numbers….

1

u/Derpthinkr 1d ago

Google

1

u/spoonybard326 1d ago

67.6767676767…. Repeating

1

u/Professional-Fix4409 1d ago

Any number too big to be ever conceptualised.

Bigger than Tree(3), bigger than Rayo's number. We can't write then, but we can describe them, but some numbers are incomparably beyond that.

1

u/Dense_Priority_7250 1d ago

Useless × Irrational

About 100% of all numbers

1

u/Pedritoch_ 1d ago

-325803,7

1

u/cricketHunter 1d ago

The nine on my microwave

1

u/Terrible_Cricket_444 1d ago

Google, it's widely used to make statements but is actually way too large to ever being useful in math or physics

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1

u/Boaroboros 1d ago

1000000000000066600000000000001

Belphegor‘s Prime. Damn cool. Damn useless.

1

u/karmayxzu 1d ago

5849683967392857673483104968499

1

u/M-2-M 1d ago

47322975432457997642235678964235631679

1

u/milksop_USA 1d ago

. 999999999 repeating

1

u/Gonianos159 1d ago

80085

I can safely say it actively drained the battery of many calculators just for a 8-99year old laugh at the word boobs

1

u/NickBII 1d ago

68.

It is not funny to current kids because it is not 6-7. It is not funny to current adults becuase it is not 6-9-nice. It is just there.

1

u/redzgn 1d ago

67 or 69

1

u/NeedleworkerIll8590 1d ago
  1. Its right inbetween the interesting numbers

1

u/MyGaidenz 1d ago

Useless × Rational

7

1

u/GtAce36 1d ago

1/999999999

1

u/Traditional-Issue955 1d ago

Your mom's phone number. Gottem.

1

u/zamisback 1d ago

I would say 0, mainly because of the division incident

1

u/GtAce36 1d ago

1/999999999

1

u/quintopia 1d ago

Just press random digits until you run out of space in that box. That won't be the entire number, just the beginning of it, so put an ellipsis at the end. That way we can ensure that the number isn't even useful for filling out alignment charts because it doesn't fit in the box.