-204 is an even number.
-204 is a Harshad number, which means it is divisible by the sum of its digits (2 + 0 + 4 = 6, and -204 is divisible by 6).
In binary, -204 is represented as 1111111111111111111111111111111111111111111111111111111100110100.
In hex, -204 is represented as ffffffffffffff34.