Il numero romano MMDCCCXCVIII nel sistema decimale vale: 2898.
MMDCCCXCVIII in latino si scrive duo milia octingenti nonaginta octo,
mentre in italiano duemilaottocentonovantotto.
MMDCCCLXXIX, MMDCCCLXXX, MMDCCCLXXXI, MMDCCCLXXXII, MMDCCCLXXXIII, MMDCCCLXXXIV, MMDCCCLXXXV, MMDCCCLXXXVI, MMDCCCLXXXVII, MMDCCCLXXXVIII, MMDCCCLXXXIX, MMDCCCXC, MMDCCCXCI, MMDCCCXCII, MMDCCCXCIII, MMDCCCXCIV, MMDCCCXCV, MMDCCCXCVI, MMDCCCXCVII, MMDCCCXCIX, MMCM, MMCMI, MMCMII, MMCMIII, MMCMIV, MMCMV, MMCMVI, MMCMVII, MMCMVIII, MMCMIX, MMCMX, MMCMXI, MMCMXII, MMCMXIII, MMCMXIV, MMCMXV, MMCMXVI, MMCMXVII