Il numero romano MDCXLII nel sistema decimale vale: 1642.
MDCXLII in latino si scrive mille sescenti quadraginta duo,
mentre in italiano milleseicentoquarantadue.
MDCXXIII, MDCXXIV, MDCXXV, MDCXXVI, MDCXXVII, MDCXXVIII, MDCXXIX, MDCXXX, MDCXXXI, MDCXXXII, MDCXXXIII, MDCXXXIV, MDCXXXV, MDCXXXVI, MDCXXXVII, MDCXXXVIII, MDCXXXIX, MDCXL, MDCXLI, MDCXLIII, MDCXLIV, MDCXLV, MDCXLVI, MDCXLVII, MDCXLVIII, MDCXLIX, MDCL, MDCLI, MDCLII, MDCLIII, MDCLIV, MDCLV, MDCLVI, MDCLVII, MDCLVIII, MDCLIX, MDCLX, MDCLXI