What is CDXX in Roman Numerals?

What is the value of CDXX in Roman numerals?

The Roman numeral CDXX is equivalent to 420 in Arabic numerals.

Therefore, if you want to write the digit 420 using Roman symbols, you must use the letter combination CDXX. This letter combination is equivalent in Roman writing to the Arabic numeral Four hundred twenty.

CDXX = 420

How should the Roman numeral CDXX be read?

It should be noted that Roman letters symbolizing numbers should be read and written from left to right and in the order from largest to smallest.

If the Roman numeral CDXX is found in a text, it should be read as a natural number, that is, in this case it should be read as "Four hundred twenty".