Α×Β×Γ×Δ

Αν

${\rm A}=\sqrt{2-\sqrt{2+\sqrt{2+\sqrt{3}}}}$

${\rm B}=\sqrt{2+\sqrt{2+\sqrt{2+\sqrt{3}}}}$

$\Gamma =\sqrt{2+\sqrt{2+\sqrt{3}}}$

$\Delta =\sqrt{2+\sqrt{3}}$

τότε

${\rm K}={\rm A}\times {\rm B}\times \Gamma \times \Delta$.