cruncher

Number Cruncher. 

To crunch a number, just type the number.
Example: cruncher 42

You will be taken to a page that tells you the following information about your number: 
* Is it odd or even?
* Is it a palindrome?
* Is it a prime number? (Checks numbers upto 12 digits in length)
* Is it a mersenne prime? (Checks numbers upto 2993 digits in length)
* Is it a fermat prime? (Checks numbers upto 155 digits in length)
* Is it a perfect number? (Checks numbers upto 12003 digits in length)
* Is it a triangle number? (Checks numbers upto 17 digits in length)
* Is it a square number? (Checks numbers upto 19 digits in length)
* Is it a cube number? (Checks numbers upto 20 digits in length)
* Is it a factorial number? (Checks numbers upto 179 digits in length)

* All factors of the number will be listed (for numbers upto 7 digits)
* The page will also show a list of base conversions. e.g. binary, octal and hexadecimal (Numbers upto 500 digits in length)
* The number will be converted to roman numerals (Upto 6 digits in length)
* The number will be converted to egyptian numerals (Upto 7 digits in length)
* The number will be converted to chinese numerals (Upto 6 digits in length)
* The number will be converted to babylonian numerals (Upto 13 digits in length)