Twenty one thousand nine hundred ninety eight
21998 is an even number.
In binary, 21998 is represented as 101010111101110.
In hex, 21998 is represented as 55ee.
Prime factorization of 21998: 2 * 17 * 647.
Factors of 21998 are: 1, 2, 17, 34, 647, 1294, 10999, 21998.