165 (number)

From Wikipedia, the free encyclopedia
Jump to: navigation, search
← 164 165 166 →
Cardinal one hundred sixty-five
Ordinal 165th
(one hundred and sixty-fifth)
Factorization 3 × 5 × 11
Divisors 1, 3, 5, 11, 15, 33, 55, 165
Roman numeral CLXV
Binary 101001012
Ternary 200103
Quaternary 22114
Quinary 11305
Senary 4336
Octal 2458
Duodecimal 11912
Hexadecimal A516
Vigesimal 8520
Base 36 4L36

165 (one hundred [and] sixty-five) is the natural number following 164 and preceding 166.

In mathematics[edit]

165 is:

In astronomy[edit]

In the military[edit]

In transportation[edit]

In other fields[edit]

165 is also:

See also[edit]

References[edit]

  1. ^ "Sloane's A000292 : Tetrahedral 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]