Number 243 - properties and curiosities

243 (number)

243

Number 243 properties

  • Harshad
  • 243 is an odd number.
  • 243 is a Harshad number, which means it is divisible by the sum of its digits (243 = 9, and 243 is divisible by 9).

Prime factorization

Prime factorization of 243: 3^5.

Divisors

Divisor count: 6

1, 3, 9, 27, 81, 243

Factors of 243 are: 1, 3, 9, 27, 81, 243.

Representations

In octal, 243 is represented as 363.

In binary, 243 is represented as 11110011.

In hex, 243 is represented as F3.

Roman numeral: CCXLIII

Curiosities

  • 243 is divisible by the sum of its digits.

Quick answers

Is 243 prime?
No, 243 is not prime.

What are the factors of 243?
1, 3, 9, 27, 81, 243

What is 243 in binary?
11110011