215was the smallest number that didn't have a nBAB for it after checking for OEIS::A038853 integers was added to the MBNA.MathBabbler Number Analyst (MBNA) output: ========================================= 215 is a natural, whole, integer 215 is odd 215 proper divisors are: 1,5,43, 215 has 3 proper divisors 215 is deficient (sum of divisors is 49; ratio: 0.227907) 215 is unhappy 215 is a Squarefree Number 215 is composite (not prime) 215 has the prime factors: 5*43 (sum=48) 215 is semiprime (biprime or 2-almost prime) 215 is in A038853 (6^3 - 1^3) 215 in octal is 0327 215 in hexadecimal is 0xd7 215 in binary is 11010111 (is evil) 215 nearest square numbers: -19...10 (196...225 [15]) sqrt(215) = 14.6629 ln(215) = 5.37064 log(215) = 2.33244 215 reciprocal is .00465116279069767441860465116279 215 is 68.4366 Pi years 215 is 10 score and 15 years 215 written as a Roman numeral is CCXV 215 is 108^2 - 107^2 and 108 + 107 = 215

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

**Created:** 12 May 2014

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