Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
table 21^i mod 100 for i = 1,2,3,4,5,6,7,8
table 21^i mod 100 for i = 1,2,3,4,5,6,7,8
Natural Language
Math Input
Extended Keyboard
