Twenty one thousand nine hundred twenty
21920 is an even number.
In binary, 21920 is represented as 101010110100000.
In hex, 21920 is represented as 55a0.
Prime factorization of 21920: 25 * 5 * 137.
Factors of 21920 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 21920.