999 (disambiguation)

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999 may refer to:

  • 999, the year
  • 999 (emergency telephone number), the telephone number for the emergency services in the United Kingdom, The Republic of Ireland, Hong Kong, Macau, Singapore, Malaysia, the UAE, Poland and others
  • 999 (number), the number 999

999 may also refer to:

Arts, entertainment, and media[edit]


  • 999 Zachia, an asteroid
  • 9–9–9 Plan, a tax plan proposed by 2012 Republican presidential candidate Herman Cain
  • Triple Nine Society, a high IQ society for the top tenth of one percent of the population, as measured by IQ score
  • Nine (purity), an informal way of ranking purity; "three nines" would be 99.9% pure


See also[edit]

  • 0.999... for proofs that 0.999... is equal to 1