99 (number)

From Wikipedia, the free encyclopedia

Jump to: navigation, search
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[edit]

99 is:

References[edit]

  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[edit]

Media related to 99 (number) at Wikimedia Commons