Il numero romano MDCCCXCVIII nel sistema decimale vale: 1898.
MDCCCXCVIII in latino si scrive mille octingenti nonaginta octo,
mentre in italiano milleottocentonovantotto.
MDCCCLXXIX, MDCCCLXXX, MDCCCLXXXI, MDCCCLXXXII, MDCCCLXXXIII, MDCCCLXXXIV, MDCCCLXXXV, MDCCCLXXXVI, MDCCCLXXXVII, MDCCCLXXXVIII, MDCCCLXXXIX, MDCCCXC, MDCCCXCI, MDCCCXCII, MDCCCXCIII, MDCCCXCIV, MDCCCXCV, MDCCCXCVI, MDCCCXCVII, MDCCCXCIX, MCM, MCMI, MCMII, MCMIII, MCMIV, MCMV, MCMVI, MCMVII, MCMVIII, MCMIX, MCMX, MCMXI, MCMXII, MCMXIII, MCMXIV, MCMXV, MCMXVI, MCMXVII