Comment by lifthrasiir

xkcd forum has an interesting (and longish) thread playing this exact game. [1] Starting with nine thousands, it quickly becomes a mathematical nightmare or something.

And also, the Big Number Duel. [2]

[1] http://forums.xkcd.com/viewtopic.php?t=7469 [2] http://tech.mit.edu/V126/N64/64largenumber.html