Il numero romano MCXLIX nel sistema decimale vale: 1149.
MCXLIX in latino si scrive mille centum quadraginta novem,
mentre in italiano millecentoquarantanove.
MCXXX, MCXXXI, MCXXXII, MCXXXIII, MCXXXIV, MCXXXV, MCXXXVI, MCXXXVII, MCXXXVIII, MCXXXIX, MCXL, MCXLI, MCXLII, MCXLIII, MCXLIV, MCXLV, MCXLVI, MCXLVII, MCXLVIII, MCL, MCLI, MCLII, MCLIII, MCLIV, MCLV, MCLVI, MCLVII, MCLVIII, MCLIX, MCLX, MCLXI, MCLXII, MCLXIII, MCLXIV, MCLXV, MCLXVI, MCLXVII, MCLXVIII