Twenty one thousand forty two
21042 is an even number.
21042 is a Harshad number, which means it is divisible by the sum of its digits (2 + 1 + 0 + 4 + 2 = 9, and 21042 is divisible by 9).
In binary, 21042 is represented as 101001000110010.
In hex, 21042 is represented as 5232.
Prime factorization of 21042: 2 * 32 * 7 * 167.
Factors of 21042 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 167, 334, 501, 1002, 1169, 1503, 2338, 3006, 3507, 7014, 10521, 21042.