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. a sphenic number. a tetrahedral number. the number of prime knots with 10 crossings. the sum of the sums of the divisors of the first 14 positive integers. a self number in base 10. a palindromic number in binary (101001012) and bases 14 (BB14), 32 (5532) and 54 (3354). a unique period in base 2. the number of Wikipedias (including closed and deleted ones).
References
External links
Number Facts and Trivia: 165 The Number 165 The Positive Integer 165 VirtueScience: 165 Archived 2021-01-21 at the Wayback Machine