Il numero romano MMDCLXX nel sistema decimale vale: 2670.
MMDCLXX in latino si scrive duo milia sescenti septuaginta,
mentre in italiano duemilaseicentosettanta.
MMDCLI, MMDCLII, MMDCLIII, MMDCLIV, MMDCLV, MMDCLVI, MMDCLVII, MMDCLVIII, MMDCLIX, MMDCLX, MMDCLXI, MMDCLXII, MMDCLXIII, MMDCLXIV, MMDCLXV, MMDCLXVI, MMDCLXVII, MMDCLXVIII, MMDCLXIX, MMDCLXXI, MMDCLXXII, MMDCLXXIII, MMDCLXXIV, MMDCLXXV, MMDCLXXVI, MMDCLXXVII, MMDCLXXVIII, MMDCLXXIX, MMDCLXXX, MMDCLXXXI, MMDCLXXXII, MMDCLXXXIII, MMDCLXXXIV, MMDCLXXXV, MMDCLXXXVI, MMDCLXXXVII, MMDCLXXXVIII, MMDCLXXXIX