Two hundred eighty
280 is an even number.
280 is a Harshad number, which means it is divisible by the sum of its digits (2 + 8 + 0 = 10, and 280 is divisible by 10).
In binary, 280 is represented as 100011000.
In hex, 280 is represented as 118.
Prime factorization of 280: 23 * 5 * 7.
Factors of 280 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280.