Il numero romano MCDXLIX nel sistema decimale vale: 1449.
MCDXLIX in latino si scrive mille quadringenti quadraginta novem,
mentre in italiano millequattrocentoquarantanove.
MCDXXX, MCDXXXI, MCDXXXII, MCDXXXIII, MCDXXXIV, MCDXXXV, MCDXXXVI, MCDXXXVII, MCDXXXVIII, MCDXXXIX, MCDXL, MCDXLI, MCDXLII, MCDXLIII, MCDXLIV, MCDXLV, MCDXLVI, MCDXLVII, MCDXLVIII, MCDL, MCDLI, MCDLII, MCDLIII, MCDLIV, MCDLV, MCDLVI, MCDLVII, MCDLVIII, MCDLIX, MCDLX, MCDLXI, MCDLXII, MCDLXIII, MCDLXIV, MCDLXV, MCDLXVI, MCDLXVII, MCDLXVIII