Il numero romano MCCCLXVIII nel sistema decimale vale: 1368.
MCCCLXVIII in latino si scrive mille trecenti sexaginta octo,
mentre in italiano milletrecentosessantotto.
MCCCXLIX, MCCCL, MCCCLI, MCCCLII, MCCCLIII, MCCCLIV, MCCCLV, MCCCLVI, MCCCLVII, MCCCLVIII, MCCCLIX, MCCCLX, MCCCLXI, MCCCLXII, MCCCLXIII, MCCCLXIV, MCCCLXV, MCCCLXVI, MCCCLXVII, MCCCLXIX, MCCCLXX, MCCCLXXI, MCCCLXXII, MCCCLXXIII, MCCCLXXIV, MCCCLXXV, MCCCLXXVI, MCCCLXXVII, MCCCLXXVIII, MCCCLXXIX, MCCCLXXX, MCCCLXXXI, MCCCLXXXII, MCCCLXXXIII, MCCCLXXXIV, MCCCLXXXV, MCCCLXXXVI, MCCCLXXXVII