4937775 – Numberphile
4937775 is a Smith Number – as are 27, 666 and infinite others!
Smith Numbers were first discovered in a phone book, explains Professor Ed Copeland from the University of Nottingham. Ed Tweets: https://twitter.com/ProfEdCopeland
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Dec 29, 2012 @ 13:14:12
how they found the largest smith number shown here is what I'd like to know…