Il numero romano MMCLXXXIX nel sistema decimale vale: 2189.
MMCLXXXIX in latino si scrive duo milia centum octoginta novem,
mentre in italiano duemilacentottantanove.
MMCLXX, MMCLXXI, MMCLXXII, MMCLXXIII, MMCLXXIV, MMCLXXV, MMCLXXVI, MMCLXXVII, MMCLXXVIII, MMCLXXIX, MMCLXXX, MMCLXXXI, MMCLXXXII, MMCLXXXIII, MMCLXXXIV, MMCLXXXV, MMCLXXXVI, MMCLXXXVII, MMCLXXXVIII, MMCXC, MMCXCI, MMCXCII, MMCXCIII, MMCXCIV, MMCXCV, MMCXCVI, MMCXCVII, MMCXCVIII, MMCXCIX, MMCC, MMCCI, MMCCII, MMCCIII, MMCCIV, MMCCV, MMCCVI, MMCCVII, MMCCVIII