Il numero romano MMDCCXXXIV nel sistema decimale vale: 2734.
MMDCCXXXIV in latino si scrive duo milia septingenti triginta quattuor,
mentre in italiano duemilasettecentotrentaquattro.
MMDCCXV, MMDCCXVI, MMDCCXVII, MMDCCXVIII, MMDCCXIX, MMDCCXX, MMDCCXXI, MMDCCXXII, MMDCCXXIII, MMDCCXXIV, MMDCCXXV, MMDCCXXVI, MMDCCXXVII, MMDCCXXVIII, MMDCCXXIX, MMDCCXXX, MMDCCXXXI, MMDCCXXXII, MMDCCXXXIII, MMDCCXXXV, MMDCCXXXVI, MMDCCXXXVII, MMDCCXXXVIII, MMDCCXXXIX, MMDCCXL, MMDCCXLI, MMDCCXLII, MMDCCXLIII, MMDCCXLIV, MMDCCXLV, MMDCCXLVI, MMDCCXLVII, MMDCCXLVIII, MMDCCXLIX, MMDCCL, MMDCCLI, MMDCCLII, MMDCCLIII