On 19 October 2009 MathBabbler realized that he had nBABs for all of the numbers between 0 and 100 except for 46, 58 and

`.`

39MathBabbler Number Analyst (MBNA) output: ========================================= MathBabbler Number Analyst (MBNA) output: ========================================= 39 is a natural, whole, integer 39 is odd 39 proper divisors are: 1,3,13, 39 is deficient (sum of divisors is 17) 39 is unhappy 39 is not a Harshad number 39 is not prime 39 has the prime factors: 3*13 (sum=16) 39 is semiprime (biprime or 2-almost prime) 39 sum of prime factors is: 16 39 is undulating 39 in octal is 047 39 in hexadecimal is 0x27 39 in binary is 100111 (is evil) 39 nearest square numbers: -3...10 (36...49 [7]) sqrt(39) = 6.245 ln(39) = 3.66356 log(39) = 1.59106 39 reciprocal is .02564102564102564102564102564102 39! is 2.03979e+46 39 is 12.4141 Pi years 39 is 1 score and 19 years 39 written as a Roman numeral is XXXIX

`is a triple-X Roman numeral.`

39

`is the sum of five consecutive prime numbers (3+5+7+11+13).`

39

`is the sum of the first three powers of 3 (3^1+3^2+3^3).`

39

`[Wikipedia]`

"According to David Wells in The Penguin Dictionary of Curious and Interesting Numbers,`is the smallest mathematically uninteresting number. The book claims that it is also the first number that is simultaneously both interesting and uninteresting, thereby avoiding the paradox."`

39

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 19 October 2009 (posted 22 October 2009)

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