Il numero romano MMDLXXXIX nel sistema decimale vale: 2589.
MMDLXXXIX in latino si scrive duo milia quingenti octoginta novem,
mentre in italiano duemilacinquecentottantanove.
MMDLXX, MMDLXXI, MMDLXXII, MMDLXXIII, MMDLXXIV, MMDLXXV, MMDLXXVI, MMDLXXVII, MMDLXXVIII, MMDLXXIX, MMDLXXX, MMDLXXXI, MMDLXXXII, MMDLXXXIII, MMDLXXXIV, MMDLXXXV, MMDLXXXVI, MMDLXXXVII, MMDLXXXVIII, MMDXC, MMDXCI, MMDXCII, MMDXCIII, MMDXCIV, MMDXCV, MMDXCVI, MMDXCVII, MMDXCVIII, MMDXCIX, MMDC, MMDCI, MMDCII, MMDCIII, MMDCIV, MMDCV, MMDCVI, MMDCVII, MMDCVIII