Il numero romano MMMCDXVII nel sistema decimale vale: 3417.
MMMCDXVII in latino si scrive tria milia quadringenti septemdecim,
mentre in italiano tremilaquattrocentodiciassette.
MMMCCCXCVIII, MMMCCCXCIX, MMMCD, MMMCDI, MMMCDII, MMMCDIII, MMMCDIV, MMMCDV, MMMCDVI, MMMCDVII, MMMCDVIII, MMMCDIX, MMMCDX, MMMCDXI, MMMCDXII, MMMCDXIII, MMMCDXIV, MMMCDXV, MMMCDXVI, MMMCDXVIII, MMMCDXIX, MMMCDXX, MMMCDXXI, MMMCDXXII, MMMCDXXIII, MMMCDXXIV, MMMCDXXV, MMMCDXXVI, MMMCDXXVII, MMMCDXXVIII, MMMCDXXIX, MMMCDXXX, MMMCDXXXI, MMMCDXXXII, MMMCDXXXIII, MMMCDXXXIV, MMMCDXXXV, MMMCDXXXVI