http://faculty.montgomerycollege.edu/scarlso5/files/powers.htm

Perfect Powers. Perfect Squares. 1. 4. 9. 16. 25. 36. 49. 64. 81. 100. 121. 144. 169. 196 ... Perfect Fourth Powers. 1. 16. 81. 256. 625. 1296. 14. 24. 34. 44. 54. 6 4 ...

http://www.clausentech.com/lchs/dclausen/algebra2/useful_programs/Squares_Etc.htm

Table of Squares, Cubes, Perfect Fourths, and Perfect Fifths. x, x2, x3, x4, x5. 1, 1, 1, 1, 1. 2, 4, 8, 16, 32. 3, 9, 27, 81, 243. 4, 16, 64, 256, 1,024. 5, 25, 125, 625 ...

https://en.wikipedia.org/wiki/Fourth_power

In arithmetic and algebra, the fourth power of a number n is the result of multiplying four instances of n together. So: n4 = n × n × n × n. Fourth powers are also formed by multiplying a number by its cube. .... Square (algebra) · Cube ( algebra) · Exponentiation · Fifth power (algebra) · Sixth power · Seventh power · Perfect power ...

https://brilliant.org/wiki/perfect-squares/

Perfect Squares; Perfect Cubes; Perfect Powers; Sea Also ..... powers is the union of the sets of perfect squares, perfect cubes, perfect fourth powers, and so on.

http://mathworld.wolfram.com/PerfectPower.html

then n is a perfect power iff GCD(a_1,a_2,...,a_k)>1 . Including duplications (i.e., taking all numbers up to some cutoff and taking all their powers) and taking m>1  ...

https://math.stackexchange.com/questions/2518596/finding-numbers-which-are-squares-cubes-or-fourth-powers-in-a-given-range

The number of perfect squares less than x is ⌊√x⌋. Similarly for cubes, we use ⌊3√x⌋. The only ones that have been double-counted are the ...

http://2000clicks.com/MathHelp/NumberFourthsAndSquares.aspx

Aug 14, 2005 ... Fourths and Squares: The sum of two fourth powers can't be a ... that if the product of two relatively prime positive integers is a perfect square, ...

https://www.sparknotes.com/math/algebra2/factoring/section3/

Perfect for acing essays, tests, and quizzes, as well as for writing lesson plans. ... We can factor a difference of fourth powers (and higher powers) by treating ...