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This article is about the natural number. For the emergency telephone number, see 999 (emergency telephone number). For other uses, see 999 (disambiguation).

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

← 998 999 1000 →
CardinalNine hundred [and] ninety-nine
Ordinal999th
(Nine hundred [and] ninety-ninth)
Factorization33 × 37
Divisors1, 3, 9, 27, 37, 111, 333, 999
Greek numeralϠϞΘ´
Roman numeralCMXCIX
Binary11111001112
Ternary11010003
Octal17478
Duodecimal6B312
Hexadecimal3E716

In mathematics[edit]

Symbology and numerology[edit]

In the numerology of the parody religion SubGenius, the number 999 represents Bob Dobbs.

Other fields[edit]

  • 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.

References[edit]

  1. ^ "Sloane's A005349 : Niven (or Harshad) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2020-12-04.
  2. ^ "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-02.


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