Team #2 Babylonian
number systems
Team #3 Egyptian
number systems
Team #4 Greek number
systems
Team #5 Inca number
systems
Team #6 Indian number
systems
Team #7 Mayan number
systems
Team #8 Roman
number systems
One helpful websiteÉ there are many so do a search for your type of numbers.
http://www-history.mcs.st-and.ac.uk/history/