Nine hundred ninety
990 is an even number.
990 is a Harshad number, which means it is divisible by the sum of its digits (9 + 9 + 0 = 18, and 990 is divisible by 18).
In binary, 990 is represented as 1111011110.
In hex, 990 is represented as 3de.
Prime factorization of 990: 2 * 32 * 5 * 11.
Factors of 990 are: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990.