Number 1989 - properties and curiosities

1989 (number)

1989

Number 1989 properties

  • Interesting number
  • 1989 is an odd number.

Prime factorization

Prime factorization of 1989: 3^2 × 13 × 17.

Divisors

Divisor count: 12

1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989

Factors of 1989 are: 1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989.

Representations

In octal, 1989 is represented as 3705.

In binary, 1989 is represented as 11111000101.

In hex, 1989 is represented as 7C5.

Roman numeral: MCMLXXXIX

Curiosities

  • 1989 has unique arithmetic behavior worth exploring through its factors and representations.

Quick answers

Is 1989 prime?
No, 1989 is not prime.

What are the factors of 1989?
1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989

What is 1989 in binary?
11111000101