Number Analysis: 21760

The number 21760 is composite.

Factors of 21760

1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 544 640 680 1088 1280 1360 2176 2720 4352 5440 10880 21760

21760 is a composite number because it has factors other than 1 and itself.

It can be written as the product of prime numbers:

22222222517

Check the number prime or composite