Twenty one thousand seventy three
21073 is an odd number.
21073 is a Harshad number, which means it is divisible by the sum of its digits (2 + 1 + 0 + 7 + 3 = 13, and 21073 is divisible by 13).
In binary, 21073 is represented as 101001001010001.
In hex, 21073 is represented as 5251.
Prime factorization of 21073: 13 * 1621.