Il numero romano MDLVI nel sistema decimale vale: 1556.
MDLVI in latino si scrive mille quingenti quinquaginta sex,
mentre in italiano millecinquecentocinquantasei.
MDXXXVII, MDXXXVIII, MDXXXIX, MDXL, MDXLI, MDXLII, MDXLIII, MDXLIV, MDXLV, MDXLVI, MDXLVII, MDXLVIII, MDXLIX, MDL, MDLI, MDLII, MDLIII, MDLIV, MDLV, MDLVII, MDLVIII, MDLIX, MDLX, MDLXI, MDLXII, MDLXIII, MDLXIV, MDLXV, MDLXVI, MDLXVII, MDLXVIII, MDLXIX, MDLXX, MDLXXI, MDLXXII, MDLXXIII, MDLXXIV, MDLXXV