They are powers of 3.
729 = 36
243 = 35
81 = 34
27 = 33
9 = 32
3 = 31
243, 81, 9, 3
The cube root of 729 is 9 and 9 squared is 81.
81
The list could go on forever, but here are some basic multiples. 27, 54, 81, 108, 135, ....
3 3^5 = 243 (3 x 3) x (3 x 3) x 3 = 243 9 x 9 x 3 = 243 81 x 3 = 243
you divide by three each time 729\3=243\3=81\3=27
1, 3, 9, 27, 81, 243, 729
1, 3, 9, 27, 81, 243, 729 | 1 x 729, 3 x 243, 9 x 81, 27 x 27.
1, 3, 9, 27, 81, 243, 729: (1 x 729, 3 x 243, 9 x 81, 27 x 27)
The pattern in the sequence 3, 9, 27, 81 is that each number is multiplied by 3 to get the next number. Therefore, the next number after 81 would be 81 × 3 = 243. Following that, the subsequent number would be 243 × 3 = 729. Thus, the next two numbers in the pattern are 243 and 729.
729 is divisible by 1, 3, 9, 27, 81, 243, 729.
1, 3, 9, 27, 81, 243, 729.
The factors of 729 are: 1 3 9 27 81 243 729
The factors of 729 are: 1 3 9 27 81 243 729
729
All these will result in 729: 1 x 729, 3 x 243, 9 x 81, 27 x 27, 81 x 9, 243 x 3, 729 x 1
All Factors of 729:1, 3, 9, 27, 81, 243, 729