What is MDCXXI in Roman Numerals?

What is the value of MDCXXI in Roman numerals?

The Roman numeral MDCXXI is equivalent to 1621 in Arabic numerals.

Therefore, if you want to write the digit 1621 using Roman symbols, you must use the letter combination MDCXXI. This letter combination is equivalent in Roman writing to the Arabic numeral One thousand six hundred twenty one.

MDCXXI = 1621

How should the Roman numeral MDCXXI 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 MDCXXI is found in a text, it should be read as a natural number, that is, in this case it should be read as "One thousand six hundred twenty one".