What is 512 in Roman numerals?

512 is written DXII in Roman numerals: D (500) + X (10) + II (2).

Number

512 in Roman numerals

512 is written DXII

Type any other number or numeral below to convert it.

Above 3,999? Type the barred part in brackets, e.g. (IV)CC = 4,200.

Roman numerals are written one decimal place at a time, largest first.

500 + 10 + 2 = 512

No subtraction is needed here: every letter is the same size or smaller than the one before it, so you simply add them up.

512 is even and can be split into prime factors: 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2, or in Roman numerals II × II × II × II × II × II × II × II × II.
512 is a cube number: 8 × 8 × 8.
DXII has 4 letters. 784 of the numbers up to 1,000 have longer numerals.

Every number from 511 to 520 starts DX (510); only the ending changes.