329 in Roman numerals

329 in Roman numerals is CCCXXIX.

Pick any whole number from 1 to 3,999.

329 = \text{CCCXXIX}

How to work it out

1
Take the biggest Roman value that fits, write its letter, subtract it, and repeat.
2
Here: 100 (C) + 100 (C) + 100 (C) + 10 (X) + 10 (X) + 9 (IX) = 329.
3
Joined together: CCCXXIX. (Four of the same letter in a row is never used: 4 is IV, 9 is IX, 40 is XL, 90 is XC, 400 is CD, 900 is CM.)

What is 329 in Roman numerals?

CCCXXIX.

How do you read CCCXXIX?

CCCXXIX = 100 + 100 + 100 + 10 + 10 + 9 = 329.