It raised itself

Number Theory Level 2

x x = 16777216 , x = ? \Large {x}^{x}=16777216, \ \ \ \ \ x = \ ?


The answer is 8.

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Victor Paes Plinio by Victor Paes Plinio , 21, Brazil

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2 solutions

Shabarish Ch
Apr 25, 2014

16777216 = 2 24 = ( 2 3 ) 8 = 8 8 16777216 = 2^{24} = (2^3)^8 = 8^8

6 Helpful 0 Interesting 0 Brilliant 0 Confused

How did you come directly to 16777216 is equal to 2 to the power of 24?

Oliver Daniel - 6 years, 10 months ago
Oliver Daniel
Jul 20, 2014

I used Excel.

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