Il numero romano MMDCCCXXVIII nel sistema decimale vale: 2828.
MMDCCCXXVIII in latino si scrive duo milia octingenti viginti octo,
mentre in italiano duemilaottocentoventotto.
MMDCCCIX, MMDCCCX, MMDCCCXI, MMDCCCXII, MMDCCCXIII, MMDCCCXIV, MMDCCCXV, MMDCCCXVI, MMDCCCXVII, MMDCCCXVIII, MMDCCCXIX, MMDCCCXX, MMDCCCXXI, MMDCCCXXII, MMDCCCXXIII, MMDCCCXXIV, MMDCCCXXV, MMDCCCXXVI, MMDCCCXXVII, MMDCCCXXIX, MMDCCCXXX, MMDCCCXXXI, MMDCCCXXXII, MMDCCCXXXIII, MMDCCCXXXIV, MMDCCCXXXV, MMDCCCXXXVI, MMDCCCXXXVII, MMDCCCXXXVIII, MMDCCCXXXIX, MMDCCCXL, MMDCCCXLI, MMDCCCXLII, MMDCCCXLIII, MMDCCCXLIV, MMDCCCXLV, MMDCCCXLVI, MMDCCCXLVII