\[8^{16} > 2^{16} \cdot 4^{15}\]
\[8^{16} = 8 \cdot 8^{15}\]
\[2^{16} \cdot 4^{15} = 2 \cdot \left( 2^{15} \cdot 4^{15} \right) = 2 \cdot 8^{15}\]