NumberWonders.com

The fascinating world of numbers

Number 2001 - properties and curiosities

2001 (number)

2001

Number 2001 properties

  • Harshad
  • 2001 is an odd number.
  • 2001 is a Harshad number, which means it is divisible by the sum of its digits (2001 = 3, and 2001 is divisible by 3).

Prime factorization

Prime factorization of 2001: 3 × 23 × 29.

Divisors

Divisor count: 8

1, 3, 23, 29, 69, 87, 667, 2001

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

Representations

In octal, 2001 is represented as 3721.

In binary, 2001 is represented as 11111010001.

In hex, 2001 is represented as 7D1.

Roman numeral: MMI

Curiosities

  • 2001 is divisible by the sum of its digits.

Quick answers

Is 2001 prime?
No, 2001 is not prime.

What are the factors of 2001?
1, 3, 23, 29, 69, 87, 667, 2001

What is 2001 in binary?
11111010001