99 (number)

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← 98 99 100 →
Cardinal ninety-nine
Ordinal 99th
(ninety-ninth)
Factorization 32× 11
Divisors 1, 3, 9, 11, 33, 99
Greek numeral ϞΘ´
Roman numeral XCIX
Binary 11000112
Ternary 102003
Quaternary 12034
Quinary 3445
Senary 2436
Octal 1438
Duodecimal 8312
Hexadecimal 6316
Vigesimal 4J20
Base 36 2R36
Chinese/Japanese
/Korean numeral
九十九

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

In mathematics[edit]

99 is:

In science[edit]

References[edit]

  1. ^ "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28. 
  2. ^ Sloane, N.J.A. (ed.). "Sequence 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[edit]

Media related to 99 (number) at Wikimedia Commons