Question

65536, 256, 16, What is the next number?

Answer 1

Hello,

$x_{1} =65536\\ x_{n+1} =\sqrt{ x_{n}}\\\\ x_{1}=65536\\ x_{2} =\sqrt{65536}=256\\ x_{3} =\sqrt{256}=16\\ x_{4} =\sqrt{16}=4\\ x_{5} =\sqrt{4}=2\\ x_{6} =\sqrt{2}\\ ...$
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