Twenty-four (24) is a positive integer one more than 23 and preceding 25.

Properties Edit

24 is an even composite number and the fourth factorial number.

24 is equal to 8!!!!!, the quintuple factorial of 8.

There are 24 hours in a day.

The 24th of December is known around the world as Christmas eve.

In googology Edit

Furthermore, it is the largest number n with the following property: Let f: ℕ → ℕ, f(a) = aa. Then for every a ∈ ℕ, there is a b ∈ ℕ, such that fb+1(a) ≡ fb(a) (mod n).

Jim Blowers calls this number foxclamation.

Community content is available under CC-BY-SA unless otherwise noted.