Heads-Hex-1-primol is a number equal to R*(6) using Primarial Functions. It's also equal to 131171953125 or 13Heads-Pent-1-primol and its value is approximately about 101010106.217637. The term has been coined by Licorneuhh[1]


Notation Lower bound Upper bound
Arrow notation \(13 \uparrow 11 \uparrow 7 \uparrow 1953125\)
Steinhaus-Moser Notation 6[3][3][3][3] 7[3][3][3][3]
BEAF {13,{11,{7,{5,9}}}}
Hyperfactorial array notation ((325064!)!)! ((325065!)!)!
Hyper-E notation E6#4 E7#4
Fast-growing hierarchy \(f_2^4(18)\) \(f_2^4(19)\)
Hardy hierarchy \(H_{\omega^24}(18)\) \(H_{\omega^24}(19)\)


  1. Numbers | Licorneuhh's numbers site (retrieved at UTC 18:30 17/12/2020)
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