Five hundred six
506 is an even number.
506 is a Harshad number, which means it is divisible by the sum of its digits (5 + 0 + 6 = 11, and 506 is divisible by 11).
In binary, 506 is represented as 111111010.
In hex, 506 is represented as 1fa.
Prime factorization of 506: 2 * 11 * 23.