About the Number 340 (three hundred forty)

The number 340 was the smallest number that didn't have a nBAB on 29 June 2016.

MathBabbler Number Analyst (MBNA) output:
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340 is natural, counting, whole, integer
340 is even (not odd)
340 proper divisors are: 1,2,4,5,10,17,20,34,68,85,170,
340 has 11 proper divisors
340 is abundant (sum of divisors is 416; ratio: 1.22353)
340 is unhappy
340 is not a Squarefree Number: 4,
340 is composite (not prime)
340 has the prime factors: 2*2*5*17 (sum=26)
340 is a 17-smooth number
340 is Arithmetic (A003601)
340 is the sum of 10 consecutive primes
340 = 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53
340 in octal is 0524
340 in hexadecimal is 0x154
340 in binary is 101010100 (is evil)
340 nearest square numbers: -16...21 (324...361 [19])
sqrt(340) = 18.4391
ln(340) = 5.82895
log(340) = 2.53148
340 reciprocal is .00294117647058823529411764705882
340! is 5.10086e+714
340 is 108.225 Pi years
340 is 17 scoreyears
340 written as a Roman numeral is CCCXL
340 is 86^2 - 84^2 and 2 * (86 + 84)
340 is a multiple of 4 & it contains a 4 (A121024)
340 is a multiple of 34 & it contains a 34

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 29 June 2016

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