On 19 October 2009 MathBabbler realized that he had nBABs for all of the numbers between 0 and 100 except for 39, 46 and

`.`

58MathBabbler Number Analyst (MBNA) output: ========================================= 58 is a natural, whole, integer 58 is even 58 proper divisors are: 1,2,29, 58 is deficient (sum of divisors is 32) 58 is unhappy 58 is not a Harshad number 58 is not prime 58 has the prime factors: 2*29 (sum=31) 58 is semiprime (biprime or 2-almost prime) 58 is a Smith number 58 sum of prime factors is: 31 58 is undulating 58 in octal is 072 58 in hexadecimal is 0x3a 58 in binary is 111010 (is evil) 58 nearest square numbers: -9...6 (49...64 [8]) sqrt(58) = 7.61577 ln(58) = 4.06044 log(58) = 1.76343 58 reciprocal is .01724137931034482758620689655172 58! is 2.35056e+78 58 is 18.462 Pi years 58 is 2 score and 18 years 58 written as a Roman numeral is LVIII

`in base-16 (hexadecimal) is repdigit number 88 in base-10 (decimal).`

58

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

**Created:** 20 October 2009 (posted 22 October 2009)

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