Il numero romano MMDXXVIII nel sistema decimale vale: 2528.
MMDXXVIII in latino si scrive duo milia quingenti viginti octo,
mentre in italiano duemilacinquecentoventotto.
MMDIX, MMDX, MMDXI, MMDXII, MMDXIII, MMDXIV, MMDXV, MMDXVI, MMDXVII, MMDXVIII, MMDXIX, MMDXX, MMDXXI, MMDXXII, MMDXXIII, MMDXXIV, MMDXXV, MMDXXVI, MMDXXVII, MMDXXIX, MMDXXX, MMDXXXI, MMDXXXII, MMDXXXIII, MMDXXXIV, MMDXXXV, MMDXXXVI, MMDXXXVII, MMDXXXVIII, MMDXXXIX, MMDXL, MMDXLI, MMDXLII, MMDXLIII, MMDXLIV, MMDXLV, MMDXLVI, MMDXLVII