Twenty four

24 is an even number.

24 is a Harshad number, which means it is divisible by the sum of its digits (2 + 4 = 6, and 24 is divisible by 6).

In binary, 24 is represented as 11000.

In hex, 24 is represented as 18.

24 is the factorial number of 4 (4! = 1 x 2 x 3 x 4 = 24).

Prime factorization of 24: 2^{3} * 3.