Four hundred twenty
420 is an even number.
420 is a Harshad number, which means it is divisible by the sum of its digits (4 + 2 + 0 = 6, and 420 is divisible by 6).
In binary, 420 is represented as 110100100.
In hex, 420 is represented as 1a4.
Prime factorization of 420: 22 * 3 * 5 * 7.
Factors of 420 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420.