Kate (kate_nepveu) wrote,
Kate
kate_nepveu

A quick puzzle

To make up for being cranky, a quick puzzle for you all from Car Talk

A student is asked if the following number is a perfect square: 334,912,740,121,562. Crusty knows the answer immediately. What does Crusty know?

I think it would be tedious to spoiler-protect comments, so if you want to respond without seeing other comments, go straight to the reply-only link.

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