129 in Roman Numerals

The number 129 in Roman numerals is written as CXXIX.

What is 129 in roman numerals?

To convert the number 129 into Roman numerals, we first need to write it in its expanded form. This can be done by breaking down 129 into its constituent parts, which in this case would be 100 + 10 + 10 + 10 - 1.

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

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

Therefore, 129 in Roman numerals is CXXIX.