About the Number 81,918 (eighty-one thousand nine hundred eighteen)

MathBabbler's Buick's odometer hit 81,918 on 7 August 2017 on I-40 approximately 22 miles east of Gallup, New Mexico.

MathBabbler Number Analyst (MBNA) output:
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81918 is natural, counting, whole, integer
81918 is even (not odd)
81918 proper divisors are: 1,2,3,6,9,18,27,37,41,54,74,82,111,123,
                           222,246,333,369,666,738,999,1107,1517,
                           1998,2214,3034,4551,9102,13653,27306,40959,
81918 has 31 proper divisors
81918 is abundant (sum of divisors is 109602; ratio: 1.33795)
81918 is unhappy
81918 is not a Squarefree Number: 9,
81918 is Harshad (Niven) number
81918 is composite (not prime)
81918 has the prime factors: 2*3*3*3*37*41 (sum=89)
81918 is a 41-smooth number
81918 is palindromic
81918 in octal is 0237776
81918 in hexadecimal is 0x13ffe
81918 in binary is 10011111111111110 (is evil)
81918 nearest square numbers: -122...451 (81796...82369 [287])
sqrt(81918) = 286.213
ln(81918) = 11.3135
log(81918) = 4.91338
81918 is an apocalyptic power (2^81918 contains 666)
81918! is inf
81918 is 26075.3 Pi years
81918 is 4095 score and 18 years
81918 is a multiple of 1 & it contains a 1 (A011531)
81918 is a multiple of 9 & it contains a 9 (A121029)
                       _______________
81918 reciprocal is 0.0000122073292805
remainders: 
1,10,100,1000,10000,18082,16984,6004,60040,26974,23986,76024,22978,65944,4096,40960,10

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 12 August 2017

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