Teterto-tethrafact is equal to E100(#^^#)^#*(#^^#)^#*(#^^#)^#*(#^^#)^#100 in Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian. This number belongs to the tethrathoth regiment.
Etymology[]
The name of this number is based on the prefix "teterto-" and the number "tethrafact".
Approximations in other notations[]
Notation | Approximation |
---|---|
BEAF | \(\{100,100(X \uparrow\uparrow X*X)(X \uparrow\uparrow X*X)(X \uparrow\uparrow X*X)(X \uparrow\uparrow X*X) 2\}\)[2] |
Bird's array notation | \(\{100,100 [2 \backslash 2] 1 [2 \backslash 2] 1 [2 \backslash 2] 1 [2 \backslash 2] 2\}\) |
Fast-growing hierarchy | \(f_{\varepsilon_0^{\omega4}}(100)\) \(f_{\omega^{\omega^{\varepsilon_0+1}4}}(100)\) |
Hardy hierarchy | \(H_{\varepsilon_0^{\varepsilon_0^{\omega4}}}(100)\) |
Sources[]
- ↑ Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part I. One to Infinity. Retrieved 2016-01-30.
- ↑ Using particular notation \(\{a,b (A) 2\}\) with prime b.