About the Number 165 (one hundred sixty-five)

This nBAB for the number 165 was created on 2 Pi Day 2014 (i.e. 28 June 2014). 28 June 2014 was the 179th day of the year and there was already a nBAB for the number 179. While looking at the nBAB collection, I noticed that the number 165 was the smallest number that didn't have a nBAB on 2 Pi Day 2014.

MathBabbler Number Analyst (MBNA) output:
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165 is a natural, whole, integer
165 is odd
165 proper divisors are: 1,3,5,11,15,33,55,
165 has 7 proper divisors
165 is deficient (sum of divisors is 123; ratio: 0.745455)
165 is unhappy
165 is a Squarefree Number
165 is composite (not prime)
165 has the prime factors: 3*5*11 (sum=19)
165 is sphenic (had 3 unique prime factors)
165 is not in A038853
165 in octal is 0245
165 in hexadecimal is 0xa5
165 in binary is 10100101 (is evil)(is palindromic)
165 nearest square numbers: -21...4 (144...169 [13])
sqrt(165) = 12.8452
ln(165) = 5.10595
log(165) = 2.21748
165 reciprocal is .00606060606060606060606060606060
165 is 52.5211 Pi years
165 is 8 score and 5 years
165 written as a Roman numeral is CLXV
165 is 83^2 - 82^2 and 83 + 82 = 165

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 28 June 2014

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This work is licensed under a Creative Commons Attribution 3.0 United States License.