If you factorize 530712:
2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 7 x 13
Which you can then rewrite as:
3 6
2 x 3 x 7 x 13
(2 to the power of 3 times 3 to the power of 6 times 7 times 13).
Check your factorization here http://statsfiddle.info/Primes/PrimeFactors/530712)