Power of power
Level
pending
If the number of powers of 3 present in 3335! is N . Find sum of digits on N.
Eg. number of powers of 3 in 27 x 18 is 5
The answer is 16.
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Use the greatest integer function to find out how many of each powers of 3 goes into 3335. It's 1663. So the sum of the digits is 16.