### About the Number 58 (fifty-eight)

On 19 October 2009 MathBabbler realized that he had nBABs for all of the numbers between 0 and 100 except for 39, 46 and `58`.

```   MathBabbler 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 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
```

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

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 20 October 2009 (posted 22 October 2009)