3 9 27 81 next number July 8, 2019 16 32 64 128 Next number in sequence 3 9 27 81 3 9 27 81 missing number What number comes next 3 9 27 81 Find the next number 3 9 27 81 If the pattern is 3 9 27 81 what is the next number in the sequence 1 3 9 27 pattern rule 81 27 9 3 what is the next 3 9 27 next number