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.
They are: CCCLXXI = 371
MDCLXVI = 1000+500+100+50+10+5+1 = 1666
1666 = MDCLXVI
1666 = mdclxvi
1656Improved Answer:-1666 because MDCLXVI = 1000+500+100+50+10+5+1 = 1666
So as to read out the numerals in a logical descending order as for example MDCLXVI = 1666
M is 1000, D is 500, C is 100, L is 50, X is 10, V is 5, I is 1. MDCLXVI is 1666.
MDCLXVI (M=1000, DC=600, LX=60, VI=6)
10 MDCLXVI are the main numbers 1,000 500 100 50 10 5 1
MDCLXVI
M=1000, D=500, C=100, L=50, X=10, V=5 and I=1 MDCLXVI=1666
In order from highest to lowest, you would have the number MDCLXVI, which is equal to 1666.
Yes and it is: MDCLXVI which represents 1666 (MDCLXVI = 1000+500+100+50+10+5+1 = 1666).Another answer:The example of 1666 above not only uses all of the roman numerals just once each, but it also places the numerals in descending order from M to I.Other numbers which use all 7 roman numerals one time only, but in mixed usage, include: MCDXLIV (1444), MCDXLVI (1446), MCDLXIV (1464), MCDLXVI (1466), MDCXLIV (1644), MDCXLVI (1646), MDCLXIV (1664).