Twenty one thousand nine hundred seventy
21970 is an even number.
In binary, 21970 is represented as 101010111010010.
In hex, 21970 is represented as 55d2.
Prime factorization of 21970: 2 * 5 * 133.
Factors of 21970 are: 1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 10985, 21970.