480 - the total number of seats in the Lower House.
241- majority to run the show
373 - A magic number - if DPJ got this, they would have two-thirds of all seats in both houses, meaning they could do what the hell they want - staying up late every night!!
Another key figure to watch:
Gratuitous shots of DPJ candidate Kumiko Hayakawa, but hey, Our Man's not here just to inform.