Il numero romano MMCDXXXIX nel sistema decimale vale: 2439.
MMCDXXXIX in latino si scrive duo milia quadringenti triginta novem,
mentre in italiano duemilaquattrocentotrentanove.
MMCDXX, MMCDXXI, MMCDXXII, MMCDXXIII, MMCDXXIV, MMCDXXV, MMCDXXVI, MMCDXXVII, MMCDXXVIII, MMCDXXIX, MMCDXXX, MMCDXXXI, MMCDXXXII, MMCDXXXIII, MMCDXXXIV, MMCDXXXV, MMCDXXXVI, MMCDXXXVII, MMCDXXXVIII, MMCDXL, MMCDXLI, MMCDXLII, MMCDXLIII, MMCDXLIV, MMCDXLV, MMCDXLVI, MMCDXLVII, MMCDXLVIII, MMCDXLIX, MMCDL, MMCDLI, MMCDLII, MMCDLIII, MMCDLIV, MMCDLV, MMCDLVI, MMCDLVII, MMCDLVIII