Il numero romano MMMMDCCXC nel sistema decimale vale: 4790.
MMMMDCCXC in latino si scrive quattuor milia septingenti nonaginta,
mentre in italiano quattromilasettecentonovanta.
MMMMDCCLXXI, MMMMDCCLXXII, MMMMDCCLXXIII, MMMMDCCLXXIV, MMMMDCCLXXV, MMMMDCCLXXVI, MMMMDCCLXXVII, MMMMDCCLXXVIII, MMMMDCCLXXIX, MMMMDCCLXXX, MMMMDCCLXXXI, MMMMDCCLXXXII, MMMMDCCLXXXIII, MMMMDCCLXXXIV, MMMMDCCLXXXV, MMMMDCCLXXXVI, MMMMDCCLXXXVII, MMMMDCCLXXXVIII, MMMMDCCLXXXIX, MMMMDCCXCI, MMMMDCCXCII, MMMMDCCXCIII, MMMMDCCXCIV, MMMMDCCXCV, MMMMDCCXCVI, MMMMDCCXCVII, MMMMDCCXCVIII, MMMMDCCXCIX, MMMMDCCC, MMMMDCCCI, MMMMDCCCII, MMMMDCCCIII, MMMMDCCCIV, MMMMDCCCV, MMMMDCCCVI, MMMMDCCCVII, MMMMDCCCVIII, MMMMDCCCIX