Il numero romano MMLXVIII nel sistema decimale vale: 2068.
MMLXVIII in latino si scrive duo milia sexaginta octo,
mentre in italiano duemilasessantotto.
MMXLIX, MML, MMLI, MMLII, MMLIII, MMLIV, MMLV, MMLVI, MMLVII, MMLVIII, MMLIX, MMLX, MMLXI, MMLXII, MMLXIII, MMLXIV, MMLXV, MMLXVI, MMLXVII, MMLXIX, MMLXX, MMLXXI, MMLXXII, MMLXXIII, MMLXXIV, MMLXXV, MMLXXVI, MMLXXVII, MMLXXVIII, MMLXXIX, MMLXXX, MMLXXXI, MMLXXXII, MMLXXXIII, MMLXXXIV, MMLXXXV, MMLXXXVI, MMLXXXVII