Il numero romano MMCDXLVII nel sistema decimale vale: 2447.
MMCDXLVII in latino si scrive duo milia quadringenti quadraginta septem,
mentre in italiano duemilaquattrocentoquarantasette.
MMCDXXVIII, MMCDXXIX, MMCDXXX, MMCDXXXI, MMCDXXXII, MMCDXXXIII, MMCDXXXIV, MMCDXXXV, MMCDXXXVI, MMCDXXXVII, MMCDXXXVIII, MMCDXXXIX, MMCDXL, MMCDXLI, MMCDXLII, MMCDXLIII, MMCDXLIV, MMCDXLV, MMCDXLVI, MMCDXLVIII, MMCDXLIX, MMCDL, MMCDLI, MMCDLII, MMCDLIII, MMCDLIV, MMCDLV, MMCDLVI, MMCDLVII, MMCDLVIII, MMCDLIX, MMCDLX, MMCDLXI, MMCDLXII, MMCDLXIII, MMCDLXIV, MMCDLXV, MMCDLXVI