Tethracross-ad-tetrastaculated-tethrathothium is equal to E100(#^^##)^#^^#>#^^#>#^^#>#^^#100 using Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian. This number belongs to the Tethracross regiment.

Approximations

Notation Approximation
Fast-growing hierarchy \(f_{\zeta_0^{\zeta_0[4]}}(100)\)
Hardy hierarchy \(H_{\zeta_0^{\zeta_0^{\zeta_0[4]}}}(100)\)

Sources

  1. Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part IOne to Infinity. Retrieved 2017-01-02.
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