### About the Number 46 (forty-six)

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

```   MathBabbler Number Analyst (MBNA) output:
=========================================
46 is a natural, whole, integer
46 is even
46 proper divisors are: 1,2,23,
46 is deficient (sum of divisors is 26)
46 is unhappy
46 is not a Harshad number
46 is not prime
46 has the prime factors: 2*23 (sum=25)
46 is semiprime (biprime or 2-almost prime)
46 sum of prime factors is: 25
46 is undulating
46 in octal is 056
46 in hexadecimal is 0x2e
46 in binary is 101110 (is evil)
46 nearest square numbers: -10...3 (36...49 )
sqrt(46) = 6.78233
ln(46) = 3.82864
log(46) = 1.66276
46 reciprocal is .02173913043478260869565217391304
46! is 5.50262e+57
46 is 14.6423 Pi years
46 is 2 score and 6 years
46 written as a Roman numeral is XLVI
```

```46 in base-15 is repdigit number 66 in base-10. ```

``` ```
``` Creator: Gerald Thurman [gthurman@gmail.com] Created: 20 October 2009 (posted 22 October 2009) <!-- document.writeln("<b>URL:</b> " + document.URL + "<br />"); document.writeln("<b>Last Modified:</b> " + document.lastModified + "<br />"); //--> This work is licensed under a Creative Commons Attribution 3.0 United States License. ```