Il numero romano MCXLII nel sistema decimale vale: 1142.
MCXLII in latino si scrive mille centum quadraginta duo,
mentre in italiano millecentoquarantadue.
MCXXIII, MCXXIV, MCXXV, MCXXVI, MCXXVII, MCXXVIII, MCXXIX, MCXXX, MCXXXI, MCXXXII, MCXXXIII, MCXXXIV, MCXXXV, MCXXXVI, MCXXXVII, MCXXXVIII, MCXXXIX, MCXL, MCXLI, MCXLIII, MCXLIV, MCXLV, MCXLVI, MCXLVII, MCXLVIII, MCXLIX, MCL, MCLI, MCLII, MCLIII, MCLIV, MCLV, MCLVI, MCLVII, MCLVIII, MCLIX, MCLX, MCLXI