Il numero romano MMDCXLII nel sistema decimale vale: 2642.
MMDCXLII in latino si scrive duo milia sescenti quadraginta duo,
mentre in italiano duemilaseicentoquarantadue.
MMDCXXIII, MMDCXXIV, MMDCXXV, MMDCXXVI, MMDCXXVII, MMDCXXVIII, MMDCXXIX, MMDCXXX, MMDCXXXI, MMDCXXXII, MMDCXXXIII, MMDCXXXIV, MMDCXXXV, MMDCXXXVI, MMDCXXXVII, MMDCXXXVIII, MMDCXXXIX, MMDCXL, MMDCXLI, MMDCXLIII, MMDCXLIV, MMDCXLV, MMDCXLVI, MMDCXLVII, MMDCXLVIII, MMDCXLIX, MMDCL, MMDCLI, MMDCLII, MMDCLIII, MMDCLIV, MMDCLV, MMDCLVI, MMDCLVII, MMDCLVIII, MMDCLIX, MMDCLX, MMDCLXI