Il numero romano MDCCCLXIV nel sistema decimale vale: 1864.
MDCCCLXIV in latino si scrive mille octingenti sexaginta quattuor,
mentre in italiano milleottocentosessantaquattro.
MDCCCXLV, MDCCCXLVI, MDCCCXLVII, MDCCCXLVIII, MDCCCXLIX, MDCCCL, MDCCCLI, MDCCCLII, MDCCCLIII, MDCCCLIV, MDCCCLV, MDCCCLVI, MDCCCLVII, MDCCCLVIII, MDCCCLIX, MDCCCLX, MDCCCLXI, MDCCCLXII, MDCCCLXIII, MDCCCLXV, MDCCCLXVI, MDCCCLXVII, MDCCCLXVIII, MDCCCLXIX, MDCCCLXX, MDCCCLXXI, MDCCCLXXII, MDCCCLXXIII, MDCCCLXXIV, MDCCCLXXV, MDCCCLXXVI, MDCCCLXXVII, MDCCCLXXVIII, MDCCCLXXIX, MDCCCLXXX, MDCCCLXXXI, MDCCCLXXXII, MDCCCLXXXIII