The original concept comes from hebrew, though, so it's not quite "accurate".
Example:
http://www.billheidrick.com/works/hgemat.htm
There are several methods that people have used to assign value to letters. A decent start to aiding you in playing around with the calculations would be
http://www.gematrix.org/
And no, no form of my name equates to 666 or 616 in any system. As far as my interest, I noted the similarities between certain phrases and words almost 15 years ago. I dug deeper, then happened to read that lovely Terry Pratchett book Equal Rites.
Quote:
While there, Esk witnesses the progress of an apprentice wizard named Simon, whom she had met earlier, on her way to Ankh-Morpork. Simon is a natural talent who invents a whole new way of looking at the universe that reduces it to component numbers. His magic, however, is so powerful that it causes a hole to be opened into the Dungeon Dimensions.
That theme repeated in the movie Pi by Aronofsky, except in that movie, it's shown as a way to YHWH. Some things are best left untouched by most people. I highly suggest not digging too deep, you may get lost, or worse yet, not understand what you're playing with.
And before someone gets judgmental about this whole thing, the Star of Bethlehem was not a literal star. It was a Star of David in an astrology star chart, of which the Magi would be well versed. The date of the alignment? March 1st, -4BC. Or, 3/1/(4).