Il numero romano MCCCVII nel sistema decimale vale: 1307.
MCCCVII in latino si scrive mille trecenti septem,
mentre in italiano milletrecentosette.
MCCLXXXVIII, MCCLXXXIX, MCCXC, MCCXCI, MCCXCII, MCCXCIII, MCCXCIV, MCCXCV, MCCXCVI, MCCXCVII, MCCXCVIII, MCCXCIX, MCCC, MCCCI, MCCCII, MCCCIII, MCCCIV, MCCCV, MCCCVI, MCCCVIII, MCCCIX, MCCCX, MCCCXI, MCCCXII, MCCCXIII, MCCCXIV, MCCCXV, MCCCXVI, MCCCXVII, MCCCXVIII, MCCCXIX, MCCCXX, MCCCXXI, MCCCXXII, MCCCXXIII, MCCCXXIV, MCCCXXV, MCCCXXVI