Heads-Hexprimol (also Tails-Hexprimol) is a number equal to R(6) and Я(6) using Primarial Functions. It's also equal to 13# and its decimal value is 30,030. The term has been coined by Licorneuhh[1]


Notation Lower bound Upper bound
Scientific notation \(3.003\times10^4\)
Arrow notation \(173\uparrow2\) \(174\uparrow2\)
Steinhaus-Moser Notation 5[3] 6[3]
Copy notation 2[5] 3[5]
Bashicu matrix system (0)[173] (0)[174]
Pound-Star Notation #*(173)*2 #*(174)*2
BEAF {173,2} {174,2}
Hyperfactorial array notation 7! 8!
Fast-growing hierarchy \(f_2(11)\) \(f_2(12)\)
Hardy hierarchy \(H_{\omega^2}(11)\) \(H_{\omega^2}(12)\)
Slow-growing hierarchy \(g_{\omega^4}(13)\) \(g_{\omega^4}(14)\)


  1. Numbers | Licorneuhh's numbers site (retrieved at UTC 20:49 12/02/2021)
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