427was the smallest number without a nBAB on 7 May 2017.MathBabbler Number Analyst (MBNA) output: ========================================= 427 is natural, counting, whole, integer 427 is odd (not even) 427 is not extremely odd 427 proper divisors are: 1,7,61, 427 has 3 proper divisors 427 is deficient (sum of divisors is 69; ratio: 0.161593) 427 is unhappy 427 is a Squarefree Number 427 is composite (not prime) 427 has the prime factors: 7*61 (sum=68) 427 is semiprime (biprime or 2-almost prime) 427 is a 61-smooth number 427 is a lucky number 427 in octal is 0653 427 in hexadecimal is 0x1ab 427 in binary is 110101011 (is evil)(is palindromic) 427 nearest square numbers: -27...14 (400...441 [21]) sqrt(427) = 20.664 ln(427) = 6.05678 log(427) = 2.63043 427! is 2.90635e+939 427 is 135.918 Pi years 427 is 21 score and 7 years 427 written as a Roman numeral is CDXXVII 427 is 214^2 - 213^2 and 214 + 213 = 427 427 is a multiple of 7 & it contains a 7 (A121027) ____________________________________________________________ 427 reciprocal is 0.002341920374707259953161592505854800936768149882903981264637 remainders: 1,10,100,146,179,82,393,87,16,160,319,201,302,31,310,111,256,425,407,227,135,69,263,68,253,395,107,216,25,250,365,234,205,342,4,40,400,157,289,328,291,348,64,213,422,377,354,124,386,17,170,419,347,54,113,276,198,272,158,299,1

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

**Created:** 07 May 2017

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