One thousand three hundred five
1305 is an odd number.
1305 is a Harshad number, which means it is divisible by the sum of its digits (1 + 3 + 0 + 5 = 9, and 1305 is divisible by 9).
In binary, 1305 is represented as 10100011001.
In hex, 1305 is represented as 519.
Prime factorization of 1305: 32 * 5 * 29.
Factors of 1305 are: 1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305.