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.
Binomial[x,5] > 2^63-1, Binomial[x-1,5] < 2^63-1
Binomial[x,5] > 2^63-1, Binomial[x-1,5] < 2^63-1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random