number cuberoot fourthroot fifthroot
 1      1.000000 1.000000  1.000000
 2      1.259921 1.189207  1.148698
 3      1.442250 1.316074  1.245731
 4      1.587401 1.414214  1.319508
 5      1.709976 1.495349  1.379730
 6      1.817121 1.565085  1.430969
 7      1.912931 1.626577  1.475773
 8      2.000000 1.681793  1.515717
 9      2.080084 1.732051  1.551846
10      2.154435 1.778279  1.584893