They made is more difficult to forge. For example, 27 can easily be forged into a number approx ten times as large by adding a 1 at the end: 271.
But XXVII would need to be changed to CCLXXI - an alteration that would be spotted quite easily.
During the Ancient Greek times
ancient greek mathematicians
ancient Greek mathematician name not mentioned
Greek they didn't like to write so they wrote numbers
It was not named after a person. Ancient Greek "palin" = back again.
Ancient Greek
An Ancient Greek is a native or inhabitant of Ancient Greece, the Greek-speaking world of ancient times.
The earliest surviving records of the explicit study of prime numbers come from the Ancient Greeks.
erm... Ancient Greek is from Ancient Greece :P
What were some of the advantages of living in ancient Egypt>
To count people and items, to record numbers of people and items, for calculations.
Ancient Greek