Normally, the Roman numerals only extend to 3999, because after you would need a new symbol. There are a lot of theories how the Romans used further notations, like a — above the symbols to represent the 1000x of the normal value, but that isn't proven.
Normally, the Roman numerals only extend to 3999, because after you would need a new symbol. There are a lot of theories how the Romans used further notations, like a — above the symbols to represent the 1000x of the normal value, but that isn't proven.