481was the smallest37-smoothnumber didn't have a nBAB on 21 September 2016.MathBabbler Number Analyst (MBNA) output: ========================================= 481 is natural, counting, whole, integer 481 is odd (not even) 481 is not extremely odd 481 proper divisors are: 1,13,37, 481 has 3 proper divisors 481 is deficient (sum of divisors is 51; ratio: 0.106029) 481 is unhappy 481 is a Squarefree Number 481 is Harshad (Niven) number 481 is composite (not prime) 481 has the prime factors: 13*37 (sum=50) 481 is semiprime (biprime or 2-almost prime) 481 is a 37-smooth number 481 is a Moran Number 481 is Arithmetic (A003601) 481 in octal is 0741 481 in hexadecimal is 0x1e1 481 in binary is 111100001 (is odious) 481 nearest square numbers: -40...3 (441...484 [22]) sqrt(481) = 21.9317 ln(481) = 6.17587 log(481) = 2.68215 481! is 9.04427e+1082 481 is 153.107 Pi years 481 is 24 score and 1 year 481 written as a Roman numeral is CDLXXXI 481 is 241^2 - 240^2 and 241 + 240 = 481 481 is a multiple of 1 & it contains a 1 (A011531) ______ 481 reciprocal is 0.002079 remainders: 1,10,100,38,380,433,1

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

**Created:** 21 September 2016

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