Were there any civilizations or cultures that didn't use the base 10 counting system? If so, did they (if they did) integrate successfully with the accepted base 10 system we use today? If there were no civilizations or cultures that didn't use base 10, why not?

by Cooldudeda1st
Searocksandtrees

yup. Check out these previous posts for loads of examples:

Is there any instance of people counting with a number system other than base 10? - includes links to a bunch more

What can you tell me about the spread of positional decimal number systems? Are there any notable nondecimal or nonpositional systems in use today?

Why do we have many languages, but one number system?

also, this article looks interesting; while I can't access it, it has a nice graphic