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165 (number)

From Wikipedia, the free encyclopedia
Natural number
← 164165 166 →
Cardinalone hundred sixty-five
Ordinal165th
(one hundred sixty-fifth)
Factorization3 × 5 × 11
Divisors1, 3, 5, 11, 15, 33, 55, 165
Greek numeralΡΞΕ´
Roman numeralCLXV,clxv
Binary101001012
Ternary200103
Senary4336
Octal2458
Duodecimal11912
HexadecimalA516

165 (one hundred [and] sixty-five) is thenatural number following164 and preceding166.

In mathematics

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165 is:

References

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  1. ^"Sloane's A000292 : Tetrahedral numbers".The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved2016-05-28.
  2. ^Sloane, N. J. A. (ed.)."Sequence A002863 (Number of prime knots with n crossings)".TheOn-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ^Sloane, N. J. A. (ed.)."Sequence A024916 (sum_{k=1..n} sigma(k) where sigma(n) = sum of divisors of n)".TheOn-Line Encyclopedia of Integer Sequences. OEIS Foundation.

External links

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