One thousand six hundred twenty
1620 is an even number.
1620 is a Harshad number, which means it is divisible by the sum of its digits (1 + 6 + 2 + 0 = 9, and 1620 is divisible by 9).
In binary, 1620 is represented as 11001010100.
In hex, 1620 is represented as 654.
Prime factorization of 1620: 22 * 34 * 5.
Factors of 1620 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620.