Il numero romano MMMDCCCXCVII nel sistema decimale vale: 3897.
MMMDCCCXCVII in latino si scrive tria milia octingenti nonaginta septem,
mentre in italiano tremilaottocentonovantasette.
MMMDCCCLXXVIII, MMMDCCCLXXIX, MMMDCCCLXXX, MMMDCCCLXXXI, MMMDCCCLXXXII, MMMDCCCLXXXIII, MMMDCCCLXXXIV, MMMDCCCLXXXV, MMMDCCCLXXXVI, MMMDCCCLXXXVII, MMMDCCCLXXXVIII, MMMDCCCLXXXIX, MMMDCCCXC, MMMDCCCXCI, MMMDCCCXCII, MMMDCCCXCIII, MMMDCCCXCIV, MMMDCCCXCV, MMMDCCCXCVI, MMMDCCCXCVIII, MMMDCCCXCIX, MMMCM, MMMCMI, MMMCMII, MMMCMIII, MMMCMIV, MMMCMV, MMMCMVI, MMMCMVII, MMMCMVIII, MMMCMIX, MMMCMX, MMMCMXI, MMMCMXII, MMMCMXIII, MMMCMXIV, MMMCMXV, MMMCMXVI