In modern day notation of Roman numerals MCMLXIII is the equivalent of 1963 but the ancient Romans would have probably expressed it quite differently
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.
2005 written in Roman numerals is MMV
2005 = MMV in Roman numerals
MMV.
MMV
MMV
The Roman numeral for 5 is V, 14 is XIV, and 2005 is MMV. So, 5 14 2005 would be written as V XIV MMV in Roman numerals.
X-IX-MMV
It is: 2005 = MMV in Roman numerals
3-26-2005 can be expressed in Roman numerals as III-XXVI-MMV.
14 = XIV 05 = V 2005 = MMV
XXIII-VIII-MMV XXIII-VIII-MMV
on converting the Arabic number into roman numerals we get that : MMV in roman numerals means :2005 where M=1000 and V=5.