loading...

re: Compute Smart, Not Hard VIEW POST

TOP OF THREAD FULL DISCUSSION
re: 1800 beware of optimists :-P

Metaproblem: restate the problem so that it has a determined answer.

An honors pupil Francesco was born in a year where the product of the digits of the year equals the square of some natural number, n. The year is now 2005, and he's waiting for the year when his age will be equal to that natural number, n. In how many years will Francesco celebrate the date?

→ 7

code of conduct - report abuse