Tails-Pent-1-primol is a number equal to Я*(5) using Primarial Functions. It's also equal to 2351977326743 and its value is approximately about 101010109.1405. The term has been coined by Licorneuhh[1].


Notation Lower bound Upper bound
Arrow notation \(2 \uparrow 3 \uparrow 5 \uparrow 1977326743\)
BEAF {2,{3,{5,1977326743}}}
Fast-growing hierarchy \(f_2(f_2(f_2(f_2(27))))\) \(f_2(f_2(f_2(f_2(28))))\)
Hardy hierarchy \(H_{\omega^2}(H_{\omega^2}(H_{\omega^2}(H_{\omega^2}(27))))\) \(H_{\omega^2}(H_{\omega^2}(H_{\omega^2}(H_{\omega^2}(28))))\)


  1. Numbers | Licorneuhh's numbers site (retrieved at UTC 16:28 30/12/2020)
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