It was their only recognisible number system like our Arabic-numeral system (0,1,2,3,4,5,6,7,8,9)
XXX is the Roman numeral for 30. XL is the Roman numeral for 40.
yes
The Roman numeral system was created by the Etruscans who once had a powerful influence over the Romans.
As a roman numeral, this has too many symbols. XL are tens (40), IV are the units (4), so the first four symbols represent the number 44. The additional symbols are not appropriate for a roman numeral.
The Roman numeral symbols for the numbers are: 1 (I), 4 (IV), 2 (II), and 5 (V).
The Roman numeral system needed only 7 symbols while the ancient Greek numeral system needed 27 symbols
Hindu-Arabic basic numeral symbols are: 0 1 2 3 4 5 6 7 8 and 9 Roman basic numeral symbols are: I V X L C D and M
it was invented in rome in 1863
XHM is not a Roman numeral. There is no Roman numeral with the symbol H and although there are numerals with the symbols X and M, X would never be placed before M in a numeral.
They came from the Etruscan numeral system and the Etruscans once ruled the Romans.
MDCL
In ancient Rome, 754BCE.