Hindu
XVI
16 = XVI
(xvi)ccclxxxvii = 16,387
It is: XVI and XXX respectively
It is: XVI-XII-MMXI
VI-XVI-MMXII
Yes, he writes his own books.
xi - xvi - mmiii
16 = XVI 495 = CDXCV
His Holiness, Pope Benedict XVI Vatican City
(xvi)cc = 1000*16+200 = 16200