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Find how many digits in the base 10 number 9^(8^7) has when written in base nine

 Oct 29, 2020
 #1
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because base 9 powers have the same number of digits, and 8^7 is 2097152, so there is 2097152 digits.

 Oct 29, 2020
 #2
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Find how many digits in the base 10 number 9^(8^7) has when written in base nine

 

 Oct 29, 2020

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