Il numero romano MMCMLXXXIV nel sistema decimale vale: 2984.
MMCMLXXXIV in latino si scrive duo milia nongenti octoginta quattuor,
mentre in italiano duemilanovecentottantaquattro.
MMCMLXV, MMCMLXVI, MMCMLXVII, MMCMLXVIII, MMCMLXIX, MMCMLXX, MMCMLXXI, MMCMLXXII, MMCMLXXIII, MMCMLXXIV, MMCMLXXV, MMCMLXXVI, MMCMLXXVII, MMCMLXXVIII, MMCMLXXIX, MMCMLXXX, MMCMLXXXI, MMCMLXXXII, MMCMLXXXIII, MMCMLXXXV, MMCMLXXXVI, MMCMLXXXVII, MMCMLXXXVIII, MMCMLXXXIX, MMCMXC, MMCMXCI, MMCMXCII, MMCMXCIII, MMCMXCIV, MMCMXCV, MMCMXCVI, MMCMXCVII, MMCMXCVIII, MMCMXCIX, MMM, MMMI, MMMII, MMMIII