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Old 2016-04-16, 15:30   #7
rogue
 
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"Mark"
Apr 2003
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Quote:
Originally Posted by axn View Post
Base 4 is covered by base 2 (since 4^n = 2^(2n)). Similarly, any perfect power will be covered by its base. So, 4,8,16,32,36,etc... need not be searched.
Duh!
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