Nineteen thousand nine hundred eighty
19980 is an even number.
19980 is a Harshad number, which means it is divisible by the sum of its digits (1 + 9 + 9 + 8 + 0 = 27, and 19980 is divisible by 27).
In binary, 19980 is represented as 100111000001100.
In hex, 19980 is represented as 4e0c.
Prime factorization of 19980: 22 * 33 * 5 * 37.
Factors of 19980 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1665, 1998, 2220, 3330, 3996, 4995, 6660, 9990, 19980.