999 (number)

← 998 999 1000 →
List of numbers; Integers; ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	Nine hundred [and] ninety-nine
Ordinal	999th; (Nine hundred [and] ninety-ninth)
Factorization	33 × 37
Divisors	1, 3, 9, 27, 37, 111, 333, 999
Greek numeral	ϠϞΘ´
Roman numeral	CMXCIX
Binary	11111001112
Ternary	11010003
Senary	43436
Octal	17478
Duodecimal	6B312
Hexadecimal	3E716

999 (nine hundred ninety-nine or nine-nine-nine) is a natural number following 998 and preceding 1000.

In mathematics

$999=3^{3}\times 37$ , a Kaprekar number.[1]
a repdigit in decimal and hexatridecimal.
a palindromic number in bases 10, 14 (515₁₄), and 36 (RR₃₆).
the largest 3-digit decimal integer.
the largest number in English not containing the letter 'o' in its name, when using short scale.
A base-10 Harshad number because ${\frac {999}{(9+9+9)}}=37$ , a whole number

In some parts of the world, such as the UK and Commonwealth countries, 999 (pronounced as 9-9-9) is the emergency telephone number.
999 was a London punk band active during the 1970s.
999 is also the short name for the visual novel Nine Hours, Nine Persons, Nine Doors.
999 is the last 3 digit number.

"Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-02.

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