Four thousand two hundred twenty one
4221 is an odd number.
4221 is a Harshad number, which means it is divisible by the sum of its digits (4 + 2 + 2 + 1 = 9, and 4221 is divisible by 9).
In binary, 4221 is represented as 1000001111101.
In hex, 4221 is represented as 107d.
Prime factorization of 4221: 32 * 7 * 67.
Factors of 4221 are: 1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221.