Club number for our company team (which is science related). He went to Purdue (and was varsity there, when they had a program).How big was his jersey? Did he use all of the digits (all 62 trillion of them) or just the symbol π?
Just a thought ... did your friend go to Stanford by any chance? Or CAl Tech? Those are two schools I can think of where something like that is most likely to happen. Or maybe Harvey Mudd.