#jsDisabledContent { display:none; } My Account | Register | Help

# 165 (number)

Article Id: WHEBN0003642380
Reproduction Date:

 Title: 165 (number) Author: World Heritage Encyclopedia Language: English Subject: Collection: Publisher: World Heritage Encyclopedia Publication Date:

### 165 (number)

 ← 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
Vigesimal 8520
Base 36 4L36

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

## In mathematics

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.

165 is a unique period in base 2.

165 is also: