hi everyone

need help with this question:

Use comparison test to determine the convergent of the following series:

$\displaystyle 1,\frac{1}{2^2},\frac{1}{3^3},\frac{1}{4^4}$

i found the general form,$\displaystyle \frac{1}{n^n}$ but i cant do the comparison. needhelp & guidance for this question.

really appreciate all your help & support.