What is MDXXI in Roman Numerals?

What is the value of MDXXI in Roman numerals?

The Roman numeral MDXXI is equivalent to 1521 in Arabic numerals.

Therefore, if you want to write the digit 1521 using Roman symbols, you must use the letter combination MDXXI. This letter combination is equivalent in Roman writing to the Arabic numeral One thousand five hundred twenty one.

MDXXI = 1521

How should the Roman numeral MDXXI 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 MDXXI 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 five hundred twenty one".