About the Number 427 (four hundred twenty-seven)

427 was the smallest number without a nBAB on 7 May 2017.

MathBabbler Number Analyst (MBNA) output:
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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)
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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

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