Il numero romano MMMCDXXXIV nel sistema decimale vale: 3434.
MMMCDXXXIV in latino si scrive tria milia quadringenti triginta quattuor,
mentre in italiano tremilaquattrocentotrentaquattro.
MMMCDXV, MMMCDXVI, MMMCDXVII, MMMCDXVIII, MMMCDXIX, MMMCDXX, MMMCDXXI, MMMCDXXII, MMMCDXXIII, MMMCDXXIV, MMMCDXXV, MMMCDXXVI, MMMCDXXVII, MMMCDXXVIII, MMMCDXXIX, MMMCDXXX, MMMCDXXXI, MMMCDXXXII, MMMCDXXXIII, MMMCDXXXV, MMMCDXXXVI, MMMCDXXXVII, MMMCDXXXVIII, MMMCDXXXIX, MMMCDXL, MMMCDXLI, MMMCDXLII, MMMCDXLIII, MMMCDXLIV, MMMCDXLV, MMMCDXLVI, MMMCDXLVII, MMMCDXLVIII, MMMCDXLIX, MMMCDL, MMMCDLI, MMMCDLII, MMMCDLIII