Forty two thousand twenty one
42021 is an odd number.
42021 is a Harshad number, which means it is divisible by the sum of its digits (4 + 2 + 0 + 2 + 1 = 9, and 42021 is divisible by 9).
In binary, 42021 is represented as 1010010000100101.
In hex, 42021 is represented as a425.
Prime factorization of 42021: 32 * 7 * 23 * 29.
Factors of 42021 are: 1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 483, 609, 667, 1449, 1827, 2001, 4669, 6003, 14007, 42021.