401 in Roman Numerals

The number 401 in Roman numerals is written as CDI.

What is 401 in roman numerals?

To convert the number 401 into Roman numerals, we first need to write it in its expanded form. This can be done by breaking down 401 into its constituent parts, which in this case would be 500 - 100 + 1.

Next, we replace each number with its corresponding Roman numeral symbol. So we get (D - C) + I.

Finally, we combine all the symbols together to get the final answer: CDI.

Therefore, 401 in Roman numerals is CDI.