27= 3364=43125=53so next number will be 63 = 216
729
-27 You subtract powers of 2 everytime... 1,2,4,8,16
Next number= 27 X 3 = 81.
36
729
In the absence of any more information, 28 is the next factor after 27.
27 times 3 = 81
81
3396.
125
The next number in this sequence should be 33.