About the Number 159 (one hundred fifty-nine)

On 6 February 2014, 159 was the smallest number that didn't have a nBAB.

MathBabbler Number Analyst (MBNA) output:
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159 is a natural, whole, integer
159 is odd
159 proper divisors are: 1,3,53,
159 has 3 proper divisors
159 is deficient (sum of divisors is 57; ratio: 0.358491)
159 is unhappy
159 is a Squarefree Number
159 is composite (not prime)
159 has the prime factors: 3*53 (sum=56)
159 is semiprime (biprime or 2-almost prime)
159 is a lucky number
159 is ThurmNumber
159 is the sum of 3 consecutive primes
159 = 47 + 53 + 59
159 in octal is 0237
159 in hexadecimal is 0x9f
159 in binary is 10011111 (is evil)
159 nearest square numbers: -15...10 (144...169 [13])
sqrt(159) = 12.6095
ln(159) = 5.0689
log(159) = 2.2014
159 reciprocal is .00628930817610062893081761006289
159 is 50.6113 Pi years
159 is 7 score and 19 years
159 written as a Roman numeral is CLIX
159 is 80^2 - 79^2 and 80 + 79 = 159

The sum of the prime factors of 159 equaled MathBabbler's age at the time this nBAB was created.

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 06 February 2014 (posted 07 February 2014)