redjard@lemmy.dbzer0.com to

Unexpected Factorial@sopuli.xyzEnglish · 7 days ago

pedm(as)

media.piefed.social

5

cross-posted to:
[email protected]

29

pedm(as)

media.piefed.social

redjard@lemmy.dbzer0.com to

Unexpected Factorial@sopuli.xyzEnglish · 7 days ago

5

cross-posted to:
[email protected]

cross-posted from: https://piefed.social/post/950402

Chat

supersquirrel@sopuli.xyz
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7 days ago
my response would be

Lol >( -_- )<
- redjard@lemmy.dbzer0.comOP
  link
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  7 days ago
  you can escape with \
  \>( -_- )<
  turns into
  >( -_- )<
  
  edit: or put this zero width space “᠎” from between those quotes in front of the >

Unexpected Factorial@sopuli.xyz

unexpectedfactorial@sopuli.xyz

You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: [email protected]

When you use an exclamation mark with a number, you’re actually implying it’s not a normal number any more. It’s a factorial!

Ok, so how does this work?

5!=1×2×3×4×5=120

6!=720

These numbers get really large. For example:

15!≈1.3×10^12

So, next time you see a headline with 2000! in it, you’ll know what to expect.

There are also double factorials (n!!) and iterated factorials (n!)!, and they aren’t the same thing. Just add more exclamation marks and you get multifactorial. Check wikipedia to see how spicy it gets.

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