About the Number 81,418 (eighty-one thousand four hundred eighteen)

MathBabbler's Buick's odometer hit 81,418 on 6 August 2017 on I-25 near Fountain, Wyoming.

MathBabbler Number Analyst (MBNA) output:
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81418 is natural, counting, whole, integer
81418 is even (not odd)
81418 proper divisors are: 1,2,40709,
81418 has 3 proper divisors
81418 is deficient (sum of divisors is 40712; ratio: 0.500037)
81418 is unhappy
81418 is a Squarefree Number
81418 is composite (not prime)
81418 has the prime factors: 2*40709 (sum=40711)
81418 is semiprime (biprime or 2-almost prime)
81418 is a joke (Smith) number
81418 is a hoax number
81418 is a 40709-smooth number
81418 is palindromic
81418 is *not* arithmetic (A003601)
81418 in octal is 0237012
81418 in hexadecimal is 0x13e0a
81418 in binary is 10011111000001010 (is evil)
81418 nearest square numbers: -193...378 (81225...81796 [286])
sqrt(81418) = 285.338
ln(81418) = 11.3074
log(81418) = 4.91072
81418 is an apocalyptic power (2^81418 contains 666)
81418! is inf
81418 is 25916.2 Pi years
81418 is 4070 score and 18 years
81418 is a multiple of 1 & it contains a 1 (A011531)

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.