About the Number 659 (six hundred fifty-nine)

This nBAB for the number 659 was created to test the modified Sexy Primes checking performed by the MBNA.

This nBAB was created along with nBABs for 641, 647, and 653.

MathBabbler Number Analyst (MBNA) output:
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659 is a natural, whole, integer
659 is odd
659 proper divisors are: 1,
659 has 1 proper divisors
659 is deficient (sum of divisors is 1; ratio: 0.00151745)
659 is unhappy
659 is a Squarefree Number
659 is prime (not composite)
...Sexy prime with 653
...Sexy Triplet prime with 647, 653
...Sexy Quadruple prime with 641, 647, 653
...Sophie Germain prime with 1319
...Twin prime with 661
...OEIS:002145 (4n+3; n=164)
...Left-truncatable
...Eisenstein
659 is Arithmetic (A003601)
659 is the sum of 7 consecutive primes
659 = 79 + 83 + 89 + 97 + 101 + 103 + 107
659 in octal is 01223
659 in hexadecimal is 0x293
659 in binary is 1010010011 (is odious)
659 nearest square numbers: -34...17 (625...676 [26])
sqrt(659) = 25.671
ln(659) = 6.49072
log(659) = 2.81889
659 reciprocal is .00151745068285280728376327769347
659! is 1.79478e+1573
659 is 209.766 Pi years
659 is 32 score and 19 years
659 written as a Roman numeral is DCLIX
659 is 330^2 - 329^2 and 330 + 329 = 659

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 24 September 2015

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