Number 643 - properties and curiosities

Six hundred forty three

643 is an odd number.

643 is a prime number, which means it is only divisible by 1 and itself.

In binary, 643 is represented as 1010000011.

In hex, 643 is represented as 283.

Prime factorization of 643: 643.

Factors of 643 are: 1, 643.