Il numero romano MDCXCIII nel sistema decimale vale: 1693.
MDCXCIII in latino si scrive mille sescenti nonaginta tres,
mentre in italiano milleseicentonovantatré.
MDCLXXIV, MDCLXXV, MDCLXXVI, MDCLXXVII, MDCLXXVIII, MDCLXXIX, MDCLXXX, MDCLXXXI, MDCLXXXII, MDCLXXXIII, MDCLXXXIV, MDCLXXXV, MDCLXXXVI, MDCLXXXVII, MDCLXXXVIII, MDCLXXXIX, MDCXC, MDCXCI, MDCXCII, MDCXCIV, MDCXCV, MDCXCVI, MDCXCVII, MDCXCVIII, MDCXCIX, MDCC, MDCCI, MDCCII, MDCCIII, MDCCIV, MDCCV, MDCCVI, MDCCVII, MDCCVIII, MDCCIX, MDCCX, MDCCXI, MDCCXII