In modern day notation of Roman numerals MCMLXIII is the equivalent of 1963 but the ancient Romans would have probably expressed it quite differently
2005
It is: 205 = CCV in Roman numerals
We do use Roman numerals today. For example, Roman numerals are often found in making outlines; to label book chapters; to label the frontmatter (pages) in books.
The Roman numerals for 64 are ILXV (65-1) or LXIIII (64) and they are not LXIV. So your question is: What is the cube root of LXIIII in Arabic numerals? The answer is 4 which is IIII or IV in Roman numerals.
As written 'mcmlxxx' it is meaningless. Roman Numerals are ALWAYS CAPITAL letters ; MCMLXXX MCMLXXX = 1980.
1963
1963
988 = CMLXXXVIII in Roman numerals
it means 1,150 in roman numerals
Those Roman Numerals mean 1991.
Not a valid sequence for Roman numerals
It does not mean anything because it is an invalid arrangement of Roman numerals
"D" in Roman Numerals equals 500.
Roman numerals don't have a 0 symbol and so it is an invalid arrangement of Roman numerals
In Roman numerals, it means N M C.
XL1 in roman numerals stand for 41.
The Roman numerals MCMXCVI stands for 1996