429 in Roman Numerals

CDXXIX

429 in Roman numerals is CDXXIX, and is spelled four hundred twenty-nine.

How 429 breaks down

To write 429 in Roman numerals, combine CD (400), XX (20) and IX (9) to get CDXXIX.

ValueRoman
400CD
20XX
9IX
429CDXXIX

You can open 429 in the converter or browse the full Roman numerals chart.