Six thousand four hundred twenty
6420 is an even number.
6420 is a Harshad number, which means it is divisible by the sum of its digits (6 + 4 + 2 + 0 = 12, and 6420 is divisible by 12).
In binary, 6420 is represented as 1100100010100.
In hex, 6420 is represented as 1914.
Prime factorization of 6420: 22 * 3 * 5 * 107.
Factors of 6420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420.