Heads-Tri-3-primol is a number equal to R***(3) using Primarial Functions. It is equal to 5↑↑↑3↑↑↑2 (=5↑↑↑7625597484987 or 5↑↑↑R***(2)). The term was coined by Licorneuhh.[1]

Approximations

Notation Lower bound Upper bound
Arrow notation \(5 \uparrow\uparrow\uparrow 3 \uparrow\uparrow\uparrow 2\)
Hyper-E notation E[5]1#1#7625597484987
BEAF {5,{3,2,3},3}
Hyperfactorial array notation (15!)!2 (16!)!2
Fast-growing hierarchy \(f_4(f_2(37))))\) \(f_4(f_2(38))))\)
Hardy hierarchy \(H_{\omega^4+\omega^2}(37)\) \(H_{\omega^4+\omega^2}(37)\)

References

  1. Numbers | Licorneuhh's numbers site (retrieved at UTC 11:17 13/02/2021)
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