Il numero romano MMCLXIII nel sistema decimale vale: 2163.
MMCLXIII in latino si scrive duo milia centum sexaginta tres,
mentre in italiano duemilacentosessantatré.
MMCXLIV, MMCXLV, MMCXLVI, MMCXLVII, MMCXLVIII, MMCXLIX, MMCL, MMCLI, MMCLII, MMCLIII, MMCLIV, MMCLV, MMCLVI, MMCLVII, MMCLVIII, MMCLIX, MMCLX, MMCLXI, MMCLXII, MMCLXIV, MMCLXV, MMCLXVI, MMCLXVII, MMCLXVIII, MMCLXIX, MMCLXX, MMCLXXI, MMCLXXII, MMCLXXIII, MMCLXXIV, MMCLXXV, MMCLXXVI, MMCLXXVII, MMCLXXVIII, MMCLXXIX, MMCLXXX, MMCLXXXI, MMCLXXXII