Obliczenia :
27¹⁵ = (3³)¹⁵ = 3⁴⁵
9¹⁷ = (3²)¹⁷ = 3³⁴
3⁴⁰
81⁹ = (3⁴)⁹ = 3³⁶
3³⁴ < 3³⁶ < 3⁴⁰ < 3⁴⁵
A zatem :
9¹⁷ < 81⁹ < 3⁴⁰ < 27¹⁵