This nBAB for the number

51,115should have been created on the palindromic date 5/11/15. [Note: Excuse 2-digit year usage.]MathBabbler Number Analyst (MBNA) output: ========================================= 51115 is a natural, whole, integer 51115 is odd 51115 proper divisors are: 1,5,10223, 51115 has 3 proper divisors 51115 is deficient (sum of divisors is 10229; ratio: 0.200117) 51115 is unhappy 51115 is a Squarefree Number 51115 is composite (not prime) 51115 has the prime factors: 5*10223 (sum=10228) 51115 is semiprime (biprime or 2-almost prime) 51115 is a joke (Smith) number 51115 is a hoax number 51115 is palindromic 51115 is Arithmetic (A003601) 51115 is not in A038853 51115 in octal is 0143653 51115 in hexadecimal is 0xc7ab 51115 in binary is 1100011110101011 (is evil) 51115 nearest square numbers: -39...414 (51076...51529 [227]) sqrt(51115) = 226.086 ln(51115) = 10.8418 log(51115) = 4.70855 51115 reciprocal is .00001956372884671818448596302455 51115 is an apocalyptic power 51115! is inf 51115 is 16270.4 Pi years 51115 is 2555 score and 15 years 51115 is 25558^2 - 25557^2 and 25558 + 25557 = 51115 51115 is a multiple of 1 & it contains a 1 (A011531) 51115 is a multiple of 5 & it contains a 5 (A121025)

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 12 May 2015

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