Il numero romano MCDXXVIII nel sistema decimale vale: 1428.
MCDXXVIII in latino si scrive mille quadringenti viginti octo,
mentre in italiano millequattrocentoventotto.
MCDIX, MCDX, MCDXI, MCDXII, MCDXIII, MCDXIV, MCDXV, MCDXVI, MCDXVII, MCDXVIII, MCDXIX, MCDXX, MCDXXI, MCDXXII, MCDXXIII, MCDXXIV, MCDXXV, MCDXXVI, MCDXXVII, MCDXXIX, MCDXXX, MCDXXXI, MCDXXXII, MCDXXXIII, MCDXXXIV, MCDXXXV, MCDXXXVI, MCDXXXVII, MCDXXXVIII, MCDXXXIX, MCDXL, MCDXLI, MCDXLII, MCDXLIII, MCDXLIV, MCDXLV, MCDXLVI, MCDXLVII