Il numero romano MMCDLXXXIV nel sistema decimale vale: 2484.
MMCDLXXXIV in latino si scrive duo milia quadringenti octoginta quattuor,
mentre in italiano duemilaquattrocentottantaquattro.
MMCDLXV, MMCDLXVI, MMCDLXVII, MMCDLXVIII, MMCDLXIX, MMCDLXX, MMCDLXXI, MMCDLXXII, MMCDLXXIII, MMCDLXXIV, MMCDLXXV, MMCDLXXVI, MMCDLXXVII, MMCDLXXVIII, MMCDLXXIX, MMCDLXXX, MMCDLXXXI, MMCDLXXXII, MMCDLXXXIII, MMCDLXXXV, MMCDLXXXVI, MMCDLXXXVII, MMCDLXXXVIII, MMCDLXXXIX, MMCDXC, MMCDXCI, MMCDXCII, MMCDXCIII, MMCDXCIV, MMCDXCV, MMCDXCVI, MMCDXCVII, MMCDXCVIII, MMCDXCIX, MMD, MMDI, MMDII, MMDIII