Six thousand four hundred
6400 is an even number.
6400 is a Harshad number, which means it is divisible by the sum of its digits (6 + 4 + 0 + 0 = 10, and 6400 is divisible by 10).
In binary, 6400 is represented as 1100100000000.
In hex, 6400 is represented as 1900.
Prime factorization of 6400: 28 * 52.
Factors of 6400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400.