integers.info
Four
4 in other numeral systems
Binary
:
100
Octal
:
4
Hex
:
4
Roman
:
IV
Prime factorization of 4
2
^{2}
Divisors of 4
1
,
2
and
4
A polygon with 4 sides
Quadrilateral or Tetragon
Is 4 in the Fibonacci number sequence?
No.
Its nearest Fibonacci number neighbors are
3
and
5
.