About the Number 247 (two hundred forty-seven)

247 was the smallest Moran Number that didn't have a nBAB when the Moran Number nBAB collection was created on 30 March 2016.

MathBabbler Number Analyst (MBNA) output:
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247 is a natural, whole, integer
247 is odd
247 proper divisors are: 1,13,19,
247 has 3 proper divisors
247 is deficient (sum of divisors is 33; ratio: 0.133603)
247 is unhappy
247 is a Squarefree Number
247 is Harshad (Niven) number
247 is composite (not prime)
247 has the prime factors: 13*19 (sum=32)
247 is semiprime (biprime or 2-almost prime)
247 is a 19-smooth number
247 is pentagonal
247 is a Moran Number
247 is Arithmetic (A003601)
247 in octal is 0367
247 in hexadecimal is 0xf7
247 in binary is 11110111 (is odious)
247 nearest square numbers: -22...9 (225...256 [16])
sqrt(247) = 15.7162
ln(247) = 5.50939
log(247) = 2.3927
247 reciprocal is .00404858299595141700404858299595
247 is an apocalyptic power
247! is 2.09409e+485
247 is 78.6225 Pi years
247 is 12 score and 7 years
247 written as a Roman numeral is CCXLVII
247 is 124^2 - 123^2 and 124 + 123 = 247

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 30 March 2016

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