The number 21982145917308330487013369 is the thirteenth power of a natural number. Find the number using just pen and paper.
(In reply to re(3): why d1 .?...spoiler
by Ady TZIDON)
My high school maths would never have given me the grounding for that problem.
As to debates on difficulty let us carry those to Forums and not problem comments.
Posted by brianjn
on 2013-01-12 19:30:17