Because the Roman Warriors were the ones to introduce them and they became extinct and caused ripples in the time line.
It's DCCLXVI in Roman numerals, exactly as you wrote it. Now in Arabic numerals, it's 766.
The number 947 in Roman numerals would be CMXLVII
You type roman numerals by using capital letters.
We started Roman Numerals in about the year of 1389 AD I think.
Some use roman numerals because some doesn't know numbers, so instead it is roman numerals.
Convert from Roman numerals to Arabic numerals, add, convert back to Roman numerals.
The answer depends on how many more millennia they keep using Roman numerals!
The given Roman numerals under today's rules now governing the Roman numeral system represent the equivalent of 1697 in Hindu-Arabic numerals.
It is already in Roman numerals but if you meant its equivalent in Hindu-Arabic numerals then under the present rules now governing the Roman numeral system it is 1465.
You cannot write fractions using Roman numerals.
If you mean in Roman numerals then: 753 = DCCLIII
Spend a day using only roman numerals instead of Arabic numerals. The disadvantages will become painfully obvious.