Talk:63 (number)
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[edit] 63 is technically not a Mersenne number
I moved up the tidbit about 63 being of the form 2^n - 1, and elaborated that it is not technically a Mersenne number. This might just be an opinion, but I'm not alone in holding that opinion. See http://www.research.att.com/cgi-bin/access.cgi/as/njas/sequences/eisA.cgi?Anum=A000225|Sloane A000225. Anton Mravcek 22:29, 18 Nov 2004 (UTC)