Il numero romano MMMMCDXLII nel sistema decimale vale: 4442.
MMMMCDXLII in latino si scrive quattuor milia quadringenti quadraginta duo,
mentre in italiano quattromilaquattrocentoquarantadue.
MMMMCDXXIII, MMMMCDXXIV, MMMMCDXXV, MMMMCDXXVI, MMMMCDXXVII, MMMMCDXXVIII, MMMMCDXXIX, MMMMCDXXX, MMMMCDXXXI, MMMMCDXXXII, MMMMCDXXXIII, MMMMCDXXXIV, MMMMCDXXXV, MMMMCDXXXVI, MMMMCDXXXVII, MMMMCDXXXVIII, MMMMCDXXXIX, MMMMCDXL, MMMMCDXLI, MMMMCDXLIII, MMMMCDXLIV, MMMMCDXLV, MMMMCDXLVI, MMMMCDXLVII, MMMMCDXLVIII, MMMMCDXLIX, MMMMCDL, MMMMCDLI, MMMMCDLII, MMMMCDLIII, MMMMCDLIV, MMMMCDLV, MMMMCDLVI, MMMMCDLVII, MMMMCDLVIII, MMMMCDLIX, MMMMCDLX, MMMMCDLXI