Il numero romano MMDXVII nel sistema decimale vale: 2517.
MMDXVII in latino si scrive duo milia quingenti septemdecim,
mentre in italiano duemilacinquecentodiciassette.
MMCDXCVIII, MMCDXCIX, MMD, MMDI, MMDII, MMDIII, MMDIV, MMDV, MMDVI, MMDVII, MMDVIII, MMDIX, MMDX, MMDXI, MMDXII, MMDXIII, MMDXIV, MMDXV, MMDXVI, MMDXVIII, MMDXIX, MMDXX, MMDXXI, MMDXXII, MMDXXIII, MMDXXIV, MMDXXV, MMDXXVI, MMDXXVII, MMDXXVIII, MMDXXIX, MMDXXX, MMDXXXI, MMDXXXII, MMDXXXIII, MMDXXXIV, MMDXXXV, MMDXXXVI