A power of 2
Number Theory
Level
4
\(128=2^7,\) but none of the other permutations of the digits of 128 form powers of 2: \[182,\ 218,\ 281,\ 812,\ 821.\]
Is there any power of 2, \(2^n,\) such that at least one of its other permutations is also a power of 2?
by
Sathvik Acharya