About the Number 417 (four hundred seventeen)

417 was the smallest number without a nBAB on 2 May 2017.

MathBabbler Number Analyst (MBNA) output:
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417 is natural, counting, whole, integer
417 is odd (not even)
417 is not extremely odd
417 proper divisors are: 1,3,139,
417 has 3 proper divisors
417 is deficient (sum of divisors is 143; ratio: 0.342926)
417 is unhappy
417 is a Squarefree Number
417 is composite (not prime)
417 has the prime factors: 3*139 (sum=142)
417 is semiprime (biprime or 2-almost prime)
417 is a 139-smooth number
417 in octal is 0641
417 in hexadecimal is 0x1a1
417 in binary is 110100001 (is evil)
417 nearest square numbers: -17...24 (400...441 [21])
sqrt(417) = 20.4206
ln(417) = 6.03309
log(417) = 2.62014
417! is 1.60391e+913
417 is 132.735 Pi years
417 is 20 score and 17 years
417 written as a Roman numeral is CDXVII
417 is 209^2 - 208^2 and 209 + 208 = 417
417 is a multiple of 1 & it contains a 1 (A011531)
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417 reciprocal is 0.0023980815347721822541966426858513189448441247
remainders: 
1,10,100,166,409,337,34,340,64,223,145,199,322,301,91,76,343,94,106,226,175,82,403,277,268,178,112,286,358,244,355,214,55,133,79,373,394,187,202,352,184,172,52,103,196,292,1

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 02 May 2017

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