99 (number)

This article is about the number. For other uses, see 99 (disambiguation).
98 99 100
Cardinal ninety-nine
Ordinal 99th
(ninety-ninth)
Factorization 32× 11
Roman numeral XCIX
Binary 11000112
Ternary 102003
Quaternary 12034
Quinary 3445
Senary 2436
Octal 1438
Duodecimal 8312
Hexadecimal 6316
Vigesimal 4J20
Base 36 2R36

99 (ninety-nine) is the natural number following 98 and preceding 100.

In mathematics

99 is:

References

  1. "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  2. "Sloane's A024916 : sum_{k=1..n} sigma(k) where sigma(n) = sum of divisors of n". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.

External links

Media related to 99 (number) at Wikimedia Commons

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