mersenneforum.org - View Single Post

science_man_88 · 2010-11-12, 15:44

could we add sumdigits(sumdigits(x)+sundigits(y)) = sumdigits(x*y) into the first theory ? I think it works can anyone help prove it ?.

2010-11-12, 15:44	#40
science_man_88 "Forget I exist" Jul 2009 Dumbassville 2⁶×131 Posts	could we add sumdigits(sumdigits(x)+sundigits(y)) = sumdigits(x*y) into the first theory ? I think it works can anyone help prove it ?.