Il numero romano MDXVII nel sistema decimale vale: 1517.
MDXVII in latino si scrive mille quingenti septemdecim,
mentre in italiano millecinquecentodiciassette.
MCDXCVIII, MCDXCIX, MD, MDI, MDII, MDIII, MDIV, MDV, MDVI, MDVII, MDVIII, MDIX, MDX, MDXI, MDXII, MDXIII, MDXIV, MDXV, MDXVI, MDXVIII, MDXIX, MDXX, MDXXI, MDXXII, MDXXIII, MDXXIV, MDXXV, MDXXVI, MDXXVII, MDXXVIII, MDXXIX, MDXXX, MDXXXI, MDXXXII, MDXXXIII, MDXXXIV, MDXXXV, MDXXXVI