Il numero romano MMMMCDXXXVIII nel sistema decimale vale: 4438.
MMMMCDXXXVIII in latino si scrive quattuor milia quadringenti triginta octo,
mentre in italiano quattromilaquattrocentotrentotto.
MMMMCDXIX, MMMMCDXX, MMMMCDXXI, MMMMCDXXII, MMMMCDXXIII, MMMMCDXXIV, MMMMCDXXV, MMMMCDXXVI, MMMMCDXXVII, MMMMCDXXVIII, MMMMCDXXIX, MMMMCDXXX, MMMMCDXXXI, MMMMCDXXXII, MMMMCDXXXIII, MMMMCDXXXIV, MMMMCDXXXV, MMMMCDXXXVI, MMMMCDXXXVII, MMMMCDXXXIX, MMMMCDXL, MMMMCDXLI, MMMMCDXLII, MMMMCDXLIII, MMMMCDXLIV, MMMMCDXLV, MMMMCDXLVI, MMMMCDXLVII, MMMMCDXLVIII, MMMMCDXLIX, MMMMCDL, MMMMCDLI, MMMMCDLII, MMMMCDLIII, MMMMCDLIV, MMMMCDLV, MMMMCDLVI, MMMMCDLVII