Il numero romano MDCCIII nel sistema decimale vale: 1703.
MDCCIII in latino si scrive mille septingenti tres,
mentre in italiano millesettecentotré.
MDCLXXXIV, MDCLXXXV, MDCLXXXVI, MDCLXXXVII, MDCLXXXVIII, MDCLXXXIX, MDCXC, MDCXCI, MDCXCII, MDCXCIII, MDCXCIV, MDCXCV, MDCXCVI, MDCXCVII, MDCXCVIII, MDCXCIX, MDCC, MDCCI, MDCCII, MDCCIV, MDCCV, MDCCVI, MDCCVII, MDCCVIII, MDCCIX, MDCCX, MDCCXI, MDCCXII, MDCCXIII, MDCCXIV, MDCCXV, MDCCXVI, MDCCXVII, MDCCXVIII, MDCCXIX, MDCCXX, MDCCXXI, MDCCXXII