Number 3969 - properties and curiosities

3969 (number)

3969

Number 3969 properties

  • Perfect square
  • Harshad
  • 3969 is an odd number.
  • 3969 is a perfect square (63 × 63).
  • 3969 is a Harshad number, which means it is divisible by the sum of its digits (3969 = 27, and 3969 is divisible by 27).

Prime factorization

Prime factorization of 3969: 3^4 × 7^2.

Divisors

Divisor count: 15

1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969

Factors of 3969 are: 1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969.

Representations

In octal, 3969 is represented as 7601.

In binary, 3969 is represented as 111110000001.

In hex, 3969 is represented as F81.

Roman numeral: MMMCMLXIX

Curiosities

  • 3969 is a perfect square, so it forms a square grid with equal side lengths.
  • 3969 is divisible by the sum of its digits.

Quick answers

Is 3969 prime?
No, 3969 is not prime.

What are the factors of 3969?
1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969

What is 3969 in binary?
111110000001