18

And that adds up to about 8.9*10^116 $, which seems a bit steep to be honest. These guys clearly want to have all the money in the whole world.

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[-] Gork@sopuli.xyz 4 points 6 days ago

So $9.8×10^114^ per meal. Quite poor value, all things considered.

[-] Hamartiogonic@sopuli.xyz 2 points 6 days ago

I guess I'll just borrow a cookbook from the library next time I want some recipes. Way better value.

this post was submitted on 29 Aug 2026
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Unexpected Factorial

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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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