Il numero romano MMMMCDXLIX nel sistema decimale vale: 4449.
MMMMCDXLIX in latino si scrive quattuor milia quadringenti quadraginta novem,
mentre in italiano quattromilaquattrocentoquarantanove.
MMMMCDXXX, MMMMCDXXXI, MMMMCDXXXII, MMMMCDXXXIII, MMMMCDXXXIV, MMMMCDXXXV, MMMMCDXXXVI, MMMMCDXXXVII, MMMMCDXXXVIII, MMMMCDXXXIX, MMMMCDXL, MMMMCDXLI, MMMMCDXLII, MMMMCDXLIII, MMMMCDXLIV, MMMMCDXLV, MMMMCDXLVI, MMMMCDXLVII, MMMMCDXLVIII, MMMMCDL, MMMMCDLI, MMMMCDLII, MMMMCDLIII, MMMMCDLIV, MMMMCDLV, MMMMCDLVI, MMMMCDLVII, MMMMCDLVIII, MMMMCDLIX, MMMMCDLX, MMMMCDLXI, MMMMCDLXII, MMMMCDLXIII, MMMMCDLXIV, MMMMCDLXV, MMMMCDLXVI, MMMMCDLXVII, MMMMCDLXVIII