Number 315 - properties and curiosities

315 (number)

315

Number 315 properties

  • Harshad
  • 315 is an odd number.
  • 315 is a Harshad number, which means it is divisible by the sum of its digits (315 = 9, and 315 is divisible by 9).

Prime factorization

Prime factorization of 315: 3^2 × 5 × 7.

Divisors

Divisor count: 12

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315

Factors of 315 are: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315.

Representations

In octal, 315 is represented as 473.

In binary, 315 is represented as 100111011.

In hex, 315 is represented as 13B.

Roman numeral: CCCXV

Curiosities

  • 315 is divisible by the sum of its digits.

Quick answers

Is 315 prime?
No, 315 is not prime.

What are the factors of 315?
1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315

What is 315 in binary?
100111011