One thousand five hundred three
1503 is an odd number.
1503 is a Harshad number, which means it is divisible by the sum of its digits (1 + 5 + 0 + 3 = 9, and 1503 is divisible by 9).
In binary, 1503 is represented as 10111011111.
In hex, 1503 is represented as 5df.
Prime factorization of 1503: 32 * 167.