Find the smallest number that can be expressed as the sum of two (nonzero) perfect squares in two different ways.
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And what if the two perfect squares must be nonzero, positive, and different?

(In reply to A hardy perennial by Penny)

Actually, according to Hardy's "Ramanujan" where the anecdote is related, Ramanujan said "it is a very interesting number, it is the smallest number expressible as a sum of two cubes in two different ways." Perhaps, as usual, you are having a bit of fun with old SK? I always enjoy your humor.

Posted by Richard on 2004-01-20 15:19:23