Numeral
Their number system was based on 20 instead of 10. Their number system was based on three characters instead of 10 characters.
the way they represent one is a line (|)...
MercuryVenusEarthMarsJupiterSaturnUranusNeptune
The "historical" contribution number indicates a contribution made in the past that counted as a contribution before we changed the system, and would no longer count in the current system. You can't add to these numbers in the new system.
because of the trade between countries
The current number system that we use is originally from India.
yes it is different. the Japanese number system is the Chinese number system but the Japanese changed it to make it unique.
Hindu-Arabic is our current number system while Babylonian numbers are an ancient number system which uses base 60 and uses only two symbols.
Four current American coins
It was the only number system when it was invented
The number system they used back them is the sexagesimal system. Our system has 10 digits from 0 to 9. So they used a system with 60 digits. That's why it is called a sexagesimal system. So make that a 60 for the Babylonian number.