999 (number)

998
999
Cardinal Nine hundred [and] ninety-nine
Ordinal 999th
(Nine hundred [and] ninety-ninth)
Factorization 3^3 \cdot 37
Divisors 1, 3, 9, 27, 37, 111, 333, 999
Roman numeral CMXCIX
Binary 11111001112
Octal 17478
Duodecimal 6B312
Hexadecimal 3E716

Nine hundred and ninety-nine is the natural number following nine hundred ninety-eight and preceding one thousand. 999 is a Harshad number and a Kaprekar number. It is the largest 3 digit whole number in base 10.