) a number
that represents information which is illegal to possess, utter or propagate. Any information that can be represented in binary format is, ''ipso facto
'', representable as a number, and therefore if the information itself is illegal in some way, the pure number itself may be called illegal.
[(cite web , author Phil Carmody ) ] [(cite news , author Thomas C Greene ) ] [(cite web, url=http://primes.utm.edu/glossary/page.php?sort Illegal) ]