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999 (number)


 

Nine hundred ninety-nine is the natural number following nine hundred ninety-eight and preceding one thousand.

Related Topics:
Natural number - One thousand

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{{Numbers_0-1000}}

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OrdinalNine hundred ninety-nine

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Cardinal999th

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Factorization3^3 cdot 37

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Roman numeralCMXCIX

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Binary1111100111

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Hexadecimal3E7

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999 is a Harshad number and a Kaprekar number. Written in base 10 and turned upside down it looks like 666.

Related Topics:
Harshad number - Kaprekar number - 666

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Nine hundred ninety-nine is also:

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  • The telephone number for the emergency services in the United Kingdom and Hong Kong (see 9-9-9).
  • The Triple Nine Society is a high IQ society for the top tenth of one percent of the population.
  • Triple Nine is a television drama from Singapore.
  • When a digital camera creates folder 999 in the DCIM folder, it announces a CF error and a new card must be loaded.
  • 999 was also the name of a significant London punk band active during the 1970s.