-5 is an odd number.
-5 is a Harshad number, which means it is divisible by the sum of its digits (5 = 5, and -5 is divisible by 5).
In binary, -5 is represented as 1111111111111111111111111111111111111111111111111111111111111011.
In hex, -5 is represented as fffffffffffffffb.