Twenty one thousand seventy
21070 is an even number.
21070 is a Harshad number, which means it is divisible by the sum of its digits (2 + 1 + 0 + 7 + 0 = 10, and 21070 is divisible by 10).
In binary, 21070 is represented as 101001001001110.
In hex, 21070 is represented as 524e.
Prime factorization of 21070: 2 * 5 * 72 * 43.
Factors of 21070 are: 1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1505, 2107, 3010, 4214, 10535, 21070.