19 in Roman numerals is XIX
The Arabic number 19 is written as XIX in Roman numerals. Below you can see the parts it is built from.
How is {n} written in Roman numerals?
Roman numerals run from the largest value to the smallest: X = 10, IX = 9. In total XIX = 19. A smaller symbol before a larger one means subtraction (IV = 4, IX = 9, XL = 40, CM = 900). Roman numerals cover numbers 1-3999.