27 9 3 1 what is the next number July 8, 2019 16 32 64 128 What is the next number of 1 3 9 27 and 81 What is the next number in the sequence 1 3 9 27 What is the next number in the pattern 1 3 9 27 What is the next number in the series 1 3 3 9 27 1 3 9 27 pattern rule What is the next number in the series 1 3 9 27 what comes next 29 - 1 = 30