Il numero romano MCXCVII nel sistema decimale vale: 1197.
MCXCVII in latino si scrive mille centum nonaginta septem,
mentre in italiano millecentonovantasette.
MCLXXVIII, MCLXXIX, MCLXXX, MCLXXXI, MCLXXXII, MCLXXXIII, MCLXXXIV, MCLXXXV, MCLXXXVI, MCLXXXVII, MCLXXXVIII, MCLXXXIX, MCXC, MCXCI, MCXCII, MCXCIII, MCXCIV, MCXCV, MCXCVI, MCXCVIII, MCXCIX, MCC, MCCI, MCCII, MCCIII, MCCIV, MCCV, MCCVI, MCCVII, MCCVIII, MCCIX, MCCX, MCCXI, MCCXII, MCCXIII, MCCXIV, MCCXV, MCCXVI