Eighty four
84 is an even number.
84 is a Harshad number, which means it is divisible by the sum of its digits (8 + 4 = 12, and 84 is divisible by 12).
In binary, 84 is represented as 1010100.
In hex, 84 is represented as 54.
Prime factorization of 84: 22 * 3 * 7.
Factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84.