integers.info

Six hundred and forty

640 in other numeral systems

Prime factorization of 640

27 × 5

Divisors of 640

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320 and 640

Is 640 in the Fibonacci number sequence?

No.

Its nearest Fibonacci number neighbors are 610 and 987.