integers.info
One thousand nine hundred and ninety-nine
1999 in other numeral systems
Binary
:
11111001111
Octal
:
3717
Hex
:
7CF
Roman
:
MCMXCIX
Prime factorization of 1999
1999 is a prime number
Divisors of 1999
1
and
1999
Is 1999 in the Fibonacci number sequence?
No.
Its nearest Fibonacci number neighbors are
1597
and
2584
.