Il numero romano MMDCCCXXXIV nel sistema decimale vale: 2834.
MMDCCCXXXIV in latino si scrive duo milia octingenti triginta quattuor,
mentre in italiano duemilaottocentotrentaquattro.
MMDCCCXV, MMDCCCXVI, MMDCCCXVII, MMDCCCXVIII, MMDCCCXIX, MMDCCCXX, MMDCCCXXI, MMDCCCXXII, MMDCCCXXIII, MMDCCCXXIV, MMDCCCXXV, MMDCCCXXVI, MMDCCCXXVII, MMDCCCXXVIII, MMDCCCXXIX, MMDCCCXXX, MMDCCCXXXI, MMDCCCXXXII, MMDCCCXXXIII, MMDCCCXXXV, MMDCCCXXXVI, MMDCCCXXXVII, MMDCCCXXXVIII, MMDCCCXXXIX, MMDCCCXL, MMDCCCXLI, MMDCCCXLII, MMDCCCXLIII, MMDCCCXLIV, MMDCCCXLV, MMDCCCXLVI, MMDCCCXLVII, MMDCCCXLVIII, MMDCCCXLIX, MMDCCCL, MMDCCCLI, MMDCCCLII, MMDCCCLIII