It is: DCCLXVII = 767
It is the equivalent of 767 in Hindu-Arabic numerals
If you mean Hindu Arabic numbers, then people use it in every English speaking country. If you mean the Hindu Arabic Alphabet, then there is no such thing.
These Roman numerals represent 236 in Hindu-Arabic numerals
Exactly as in the question 999 which are in Hindu-Arabic numerals.
If you mean the Roman numeral of DCLXII then as an Hindu-Arabic numeral it is 662
It is already in Hindu-Arabic numerals but if you mean in Roman numerals then it is written as: CXXIII
Hindu Arabic numerals are basically digits. How do you write 56005040 in Hindu Arabic numerals? It is written like this: 56005040. I think you mean Roman numerals or something.
It is: CDXXVII = 427
680
LXXXVI = 86
379
The Roman numerals of CCXXXVII are the equivalent of 237 in Hindu-Arabic numerals