integers.info
Sixty-one
61 in other numeral systems
Binary
:
111101
Octal
:
75
Hex
:
3D
Roman
:
LXI
Prime factorization of 61
61 is a prime number
Divisors of 61
1
and
61
Is 61 in the Fibonacci number sequence?
No.
Its nearest Fibonacci number neighbors are
55
and
89
.