Number 21904 - properties and curiosities

Prime factorization

Prime factorization of 21904: 2^4 × 37^2.

Divisors

Divisor count: 15

1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1369, 2738, 5476, 10952, 21904

Factors of 21904 are: 1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1369, 2738, 5476, 10952, 21904.

Representations

In octal, 21904 is represented as 52620.

In binary, 21904 is represented as 101010110010000.

In hex, 21904 is represented as 5590.

Roman numeral: Roman numerals are shown only for 1 to 4999.

Curiosities

• 21904 is a perfect square, so it forms a square grid with equal side lengths.
• 21904 is divisible by the sum of its digits.