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Some permutation of digits is a factorial number.
0

%I #6 Sep 19 2012 15:19:01

%S 1,2,6,10,20,24,42,60,100,102,120,200,201,204,207,210,240,270,402,420,

%T 600,702,720,1000,1002,1020,1200,2000,2001,2004,2007,2010,2040,2070,

%U 2100,2400,2700,4002,4005,4020,4050,4200,4500,5004,5040,5400,6000,7002,7020,7200

%N Some permutation of digits is a factorial number.

%H F. Smarandache, <a href="http://www.gallup.unm.edu/~smarandache/OPNS.pdf">Only Problems, Not Solutions!</a>.

%K nonn,base

%O 1,2

%A R. Muller