Number 2001 - properties and curiosities

Two thousand one

2001 is an odd number.

2001 is a Harshad number, which means it is divisible by the sum of its digits (2 + 0 + 0 + 1 = 3, and 2001 is divisible by 3).

In binary, 2001 is represented as 11111010001.

In hex, 2001 is represented as 7d1.

Prime factorization of 2001: 3 * 23 * 29.

Factors of 2001 are: 1, 3, 23, 29, 69, 87, 667, 2001.