Number 63 - properties and curiosities

63 (number)

63

Number 63 properties

  • Harshad
  • Mersenne
  • 63 is an odd number.
  • 63 is a Harshad number, which means it is divisible by the sum of its digits (63 = 9, and 63 is divisible by 9).

Prime factorization

Prime factorization of 63: 3^2 × 7.

Divisors

Divisor count: 6

1, 3, 7, 9, 21, 63

Factors of 63 are: 1, 3, 7, 9, 21, 63.

Representations

In octal, 63 is represented as 77.

In binary, 63 is represented as 111111.

In hex, 63 is represented as 3F.

Roman numeral: LXIII

Curiosities

  • 63 is divisible by the sum of its digits.

Quick answers

Is 63 prime?
No, 63 is not prime.

What are the factors of 63?
1, 3, 7, 9, 21, 63

What is 63 in binary?
111111