-210 is an even number.
-210 is a Harshad number, which means it is divisible by the sum of its digits (2 + 1 + 0 = 3, and -210 is divisible by 3).
In binary, -210 is represented as 1111111111111111111111111111111111111111111111111111111100101110.
In hex, -210 is represented as ffffffffffffff2e.