Four hundred forty one
441 is an odd number.
441 is a Harshad number, which means it is divisible by the sum of its digits (4 + 4 + 1 = 9, and 441 is divisible by 9).
In binary, 441 is represented as 110111001.
In hex, 441 is represented as 1b9.
Prime factorization of 441: 32 * 72.