integers.info
Six hundred and forty-one
641 in other numeral systems
Binary
:
1010000001
Octal
:
1201
Hex
:
281
Roman
:
DCXLI
Prime factorization of 641
641 is a prime number
Divisors of 641
1
and
641
Is 641 in the Fibonacci number sequence?
No.
Its nearest Fibonacci number neighbors are
610
and
987
.