Number 28561 - properties and curiosities

28561 (number)

28561

Number 28561 properties

  • Perfect square
  • Happy
  • 28561 is an odd number.
  • 28561 is a perfect square (169 × 169).

Prime factorization

Prime factorization of 28561: 13^4.

Divisors

Divisor count: 5

1, 13, 169, 2197, 28561

Factors of 28561 are: 1, 13, 169, 2197, 28561.

Representations

In octal, 28561 is represented as 67621.

In binary, 28561 is represented as 110111110010001.

In hex, 28561 is represented as 6F91.

Roman numeral: Roman numerals are shown only for 1 to 4999.

Curiosities

  • 28561 is a perfect square, so it forms a square grid with equal side lengths.

Quick answers

Is 28561 prime?
No, 28561 is not prime.

What are the factors of 28561?
1, 13, 169, 2197, 28561

What is 28561 in binary?
110111110010001