Number 4991 - properties and curiosities

Four thousand nine hundred ninety one

4991 is an odd number.

4991 is a Harshad number, which means it is divisible by the sum of its digits (4 + 9 + 9 + 1 = 23, and 4991 is divisible by 23).

In binary, 4991 is represented as 1001101111111.

In hex, 4991 is represented as 137f.

Prime factorization of 4991: 7 * 23 * 31.

Factors of 4991 are: 1, 7, 23, 31, 161, 217, 713, 4991.