About the Number 239 (two hundred thirty-nine)

The Sophie Germain Primes nBAB collection was created on 15 September 2015. 239 was the smallest Sophie Germain Prime that didn't have a nBAB for it when the Sophie Germain Primes collection was created.

MathBabbler Number Analyst (MBNA) output:
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239 is a natural, whole, integer
239 is odd
239 proper divisors are: 1,
239 has 1 proper divisors
239 is deficient (sum of divisors is 1; ratio: 0.0041841)
239 is happy
239 is a Squarefree Number
239 is prime (not composite)
...Sexy prime with 233
...Sexy Triplet prime with 233, 227
...Sophie Germain prime with 479
...Twin prime with 241
...Truman Gerald prime with 269
...OEIS:002145 (4n+3; n=59)
...Right-truncatable
...Eisenstein
239 is Arithmetic (A003601)
239 is ThurmNumber
239 in octal is 0357
239 in hexadecimal is 0xef
239 in binary is 11101111 (is odious)
239 nearest square numbers: -14...17 (225...256 [16])
sqrt(239) = 15.4596
ln(239) = 5.47646
log(239) = 2.3784
239 reciprocal is .00418410041841004184100418410041
239! is 1.69495e+466
239 is 76.0761 Pi years
239 is 11 score and 19 years
239 written as a Roman numeral is CCXXXIX
239 is 120^2 - 119^2 and 120 + 119 = 239

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 16 September 2015

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