One thousand six hundred forty
1640 is an even number.
In binary, 1640 is represented as 11001101000.
In hex, 1640 is represented as 668.
Prime factorization of 1640: 23 * 5 * 41.
Factors of 1640 are: 1, 2, 4, 5, 8, 10, 20, 40, 40, 41, 82, 164, 205, 328, 410, 820, 1640.