Il numero romano MMMCMXCIII nel sistema decimale vale: 3993.
MMMCMXCIII in latino si scrive tria milia nongenti nonaginta tres,
mentre in italiano tremilanovecentonovantatré.
MMMCMLXXIV, MMMCMLXXV, MMMCMLXXVI, MMMCMLXXVII, MMMCMLXXVIII, MMMCMLXXIX, MMMCMLXXX, MMMCMLXXXI, MMMCMLXXXII, MMMCMLXXXIII, MMMCMLXXXIV, MMMCMLXXXV, MMMCMLXXXVI, MMMCMLXXXVII, MMMCMLXXXVIII, MMMCMLXXXIX, MMMCMXC, MMMCMXCI, MMMCMXCII, MMMCMXCIV, MMMCMXCV, MMMCMXCVI, MMMCMXCVII, MMMCMXCVIII, MMMCMXCIX, MMMM, MMMMI, MMMMII, MMMMIII, MMMMIV, MMMMV, MMMMVI, MMMMVII, MMMMVIII, MMMMIX, MMMMX, MMMMXI, MMMMXII