Il numero romano MMMDCXLII nel sistema decimale vale: 3642.
MMMDCXLII in latino si scrive tria milia sescenti quadraginta duo,
mentre in italiano tremilaseicentoquarantadue.
MMMDCXXIII, MMMDCXXIV, MMMDCXXV, MMMDCXXVI, MMMDCXXVII, MMMDCXXVIII, MMMDCXXIX, MMMDCXXX, MMMDCXXXI, MMMDCXXXII, MMMDCXXXIII, MMMDCXXXIV, MMMDCXXXV, MMMDCXXXVI, MMMDCXXXVII, MMMDCXXXVIII, MMMDCXXXIX, MMMDCXL, MMMDCXLI, MMMDCXLIII, MMMDCXLIV, MMMDCXLV, MMMDCXLVI, MMMDCXLVII, MMMDCXLVIII, MMMDCXLIX, MMMDCL, MMMDCLI, MMMDCLII, MMMDCLIII, MMMDCLIV, MMMDCLV, MMMDCLVI, MMMDCLVII, MMMDCLVIII, MMMDCLIX, MMMDCLX, MMMDCLXI