A right circular cylindrical tank of radius 'R' meters and height (R + 7) meters contains oil. The entire quantity of oil is taken out from the cylindrical tank and poured into 'N' number of hemispherical bowls, such that each bowl is filled with its maximum capacity. If the maximum capacity of each bowl is 11R3 /42 m3 , then which of the following (i, ii, iii, and iv) are the possible values of 'N'? (R and N are positive integers).

i. 13

ii. 8

iii. 16

iv. 17