Il numero romano MMDCCCVI nel sistema decimale vale: 2806.
MMDCCCVI in latino si scrive duo milia octingenti sex,
mentre in italiano duemilaottocentosei.
MMDCCLXXXVII, MMDCCLXXXVIII, MMDCCLXXXIX, MMDCCXC, MMDCCXCI, MMDCCXCII, MMDCCXCIII, MMDCCXCIV, MMDCCXCV, MMDCCXCVI, MMDCCXCVII, MMDCCXCVIII, MMDCCXCIX, MMDCCC, MMDCCCI, MMDCCCII, MMDCCCIII, MMDCCCIV, MMDCCCV, MMDCCCVII, MMDCCCVIII, MMDCCCIX, MMDCCCX, MMDCCCXI, MMDCCCXII, MMDCCCXIII, MMDCCCXIV, MMDCCCXV, MMDCCCXVI, MMDCCCXVII, MMDCCCXVIII, MMDCCCXIX, MMDCCCXX, MMDCCCXXI, MMDCCCXXII, MMDCCCXXIII, MMDCCCXXIV, MMDCCCXXV