Il numero romano MDXC nel sistema decimale vale: 1590.
MDXC in latino si scrive mille quingenti nonaginta,
mentre in italiano millecinquecentonovanta.
MDLXXI, MDLXXII, MDLXXIII, MDLXXIV, MDLXXV, MDLXXVI, MDLXXVII, MDLXXVIII, MDLXXIX, MDLXXX, MDLXXXI, MDLXXXII, MDLXXXIII, MDLXXXIV, MDLXXXV, MDLXXXVI, MDLXXXVII, MDLXXXVIII, MDLXXXIX, MDXCI, MDXCII, MDXCIII, MDXCIV, MDXCV, MDXCVI, MDXCVII, MDXCVIII, MDXCIX, MDC, MDCI, MDCII, MDCIII, MDCIV, MDCV, MDCVI, MDCVII, MDCVIII, MDCIX