Il numero romano MMMCXLIII nel sistema decimale vale: 3143.
MMMCXLIII in latino si scrive tria milia centum quadraginta tres,
mentre in italiano tremilacentoquarantatré.
MMMCXXIV, MMMCXXV, MMMCXXVI, MMMCXXVII, MMMCXXVIII, MMMCXXIX, MMMCXXX, MMMCXXXI, MMMCXXXII, MMMCXXXIII, MMMCXXXIV, MMMCXXXV, MMMCXXXVI, MMMCXXXVII, MMMCXXXVIII, MMMCXXXIX, MMMCXL, MMMCXLI, MMMCXLII, MMMCXLIV, MMMCXLV, MMMCXLVI, MMMCXLVII, MMMCXLVIII, MMMCXLIX, MMMCL, MMMCLI, MMMCLII, MMMCLIII, MMMCLIV, MMMCLV, MMMCLVI, MMMCLVII, MMMCLVIII, MMMCLIX, MMMCLX, MMMCLXI, MMMCLXII