Il numero romano MCCCLXX nel sistema decimale vale: 1370.
MCCCLXX in latino si scrive mille trecenti septuaginta,
mentre in italiano milletrecentosettanta.
MCCCLI, MCCCLII, MCCCLIII, MCCCLIV, MCCCLV, MCCCLVI, MCCCLVII, MCCCLVIII, MCCCLIX, MCCCLX, MCCCLXI, MCCCLXII, MCCCLXIII, MCCCLXIV, MCCCLXV, MCCCLXVI, MCCCLXVII, MCCCLXVIII, MCCCLXIX, MCCCLXXI, MCCCLXXII, MCCCLXXIII, MCCCLXXIV, MCCCLXXV, MCCCLXXVI, MCCCLXXVII, MCCCLXXVIII, MCCCLXXIX, MCCCLXXX, MCCCLXXXI, MCCCLXXXII, MCCCLXXXIII, MCCCLXXXIV, MCCCLXXXV, MCCCLXXXVI, MCCCLXXXVII, MCCCLXXXVIII, MCCCLXXXIX