MathDB

23

Part of 1979 IMO Shortlist

Problems(1)

Find n such that 2^8 +2^{11} +2^n is a perfect square

Source:

9/15/2010
Find all natural numbers nn for which 28+211+2n2^8 +2^{11} +2^n is a perfect square.
number theoryPerfect SquareIMO ShortlistIMO 1979