Il numero romano MMMCXXIX nel sistema decimale vale: 3129.
MMMCXXIX in latino si scrive tria milia centum viginti novem,
mentre in italiano tremilacentoventinove.
MMMCX, MMMCXI, MMMCXII, MMMCXIII, MMMCXIV, MMMCXV, MMMCXVI, MMMCXVII, MMMCXVIII, MMMCXIX, MMMCXX, MMMCXXI, MMMCXXII, MMMCXXIII, MMMCXXIV, MMMCXXV, MMMCXXVI, MMMCXXVII, MMMCXXVIII, MMMCXXX, MMMCXXXI, MMMCXXXII, MMMCXXXIII, MMMCXXXIV, MMMCXXXV, MMMCXXXVI, MMMCXXXVII, MMMCXXXVIII, MMMCXXXIX, MMMCXL, MMMCXLI, MMMCXLII, MMMCXLIII, MMMCXLIV, MMMCXLV, MMMCXLVI, MMMCXLVII, MMMCXLVIII