YES the No is 6
Working clock wise the segments add up to :-
6 12 8 16 14 28 9 so the next must be 18 yoiu have 8 & 4 so 6 is reqired to complete the sequence o single double single double etc
Yes the missing no is 6
The seqence is:- single double single double etc the segments clockwise add up to:-
6 12 8 16 14 28 9 so you then require 18 you have 8 & 4 so you require 6