Two hundred forty three
243 is an odd number.
243 is a Harshad number, which means it is divisible by the sum of its digits (2 + 4 + 3 = 9, and 243 is divisible by 9).
In binary, 243 is represented as 11110011.
In hex, 243 is represented as f3.
Prime factorization of 243: 35.