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Perfect powers using only prime digits and 1.
1

%I #5 Aug 25 2014 12:03:04

%S 1,25,27,121,125,225,512,1521,3721,7225,12321,13225,27225,35721,55225,

%T 57121,112225,133225,151321,172225,212521,235225,373321,511225,

%U 1125721,1177225,1357225,1525225,1535121,2217121,2512225,2772225,3115225,3553225

%N Perfect powers using only prime digits and 1.

%Y Cf. A083807.

%K base,easy,nonn

%O 1,2

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 08 2003

%E More terms from Nick Woods (njw130(AT)psu.edu), Apr 29 2006