165 (number)
From Wikipedia, the free encyclopedia
165 is the natural number following 164 and preceding 166.
|
|||
Cardinal | One hundred [and] sixty-five |
||
Ordinal | 165th | ||
Factorization | |||
Divisors | 1, 3, 5, 11, 33, 55, 165 | ||
Roman numeral | CLXV | ||
Binary | 10100101 | ||
Hexadecimal | A5 | ||
Octal | 245 |
165 is a sphenic number, a tetrahedral number, and the sum of the sums of divisors of the first fourteen integers.
In base 10, it is a self number.
It is a binary palindromic number (10100101).