Il numero romano MDCXLIX nel sistema decimale vale: 1649.
MDCXLIX in latino si scrive mille sescenti quadraginta novem,
mentre in italiano milleseicentoquarantanove.
MDCXXX, MDCXXXI, MDCXXXII, MDCXXXIII, MDCXXXIV, MDCXXXV, MDCXXXVI, MDCXXXVII, MDCXXXVIII, MDCXXXIX, MDCXL, MDCXLI, MDCXLII, MDCXLIII, MDCXLIV, MDCXLV, MDCXLVI, MDCXLVII, MDCXLVIII, MDCL, MDCLI, MDCLII, MDCLIII, MDCLIV, MDCLV, MDCLVI, MDCLVII, MDCLVIII, MDCLIX, MDCLX, MDCLXI, MDCLXII, MDCLXIII, MDCLXIV, MDCLXV, MDCLXVI, MDCLXVII, MDCLXVIII