Il numero romano MDLI nel sistema decimale vale: 1551.
MDLI in latino si scrive mille quingenti quinquaginta unus,
mentre in italiano millecinquecentocinquantuno.
MDXXXII, MDXXXIII, MDXXXIV, MDXXXV, MDXXXVI, MDXXXVII, MDXXXVIII, MDXXXIX, MDXL, MDXLI, MDXLII, MDXLIII, MDXLIV, MDXLV, MDXLVI, MDXLVII, MDXLVIII, MDXLIX, MDL, MDLII, MDLIII, MDLIV, MDLV, MDLVI, MDLVII, MDLVIII, MDLIX, MDLX, MDLXI, MDLXII, MDLXIII, MDLXIV, MDLXV, MDLXVI, MDLXVII, MDLXVIII, MDLXIX, MDLXX