165 (number)

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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 an odd number, a composite number, and a deficient number. It is a sphenic number, a tetrahedral number, and the sum of the divisors of the first fourteen integers.

165 is a self number in base 10 and a palindromic number in binary.

In astronomy[edit]

In the military[edit]

In transportation[edit]

In other fields[edit]

165 is also:

See also[edit]

External links[edit]