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Lexxifa is in Joyce's factorial series formed with a verbalized -x- and the -fa suffix, \(71! = g(1, g(70, 0, -1, 71), 71)\) in the Ackermann's Generalized Exponential Notation.[1] It has 102 digits and its decimal representation is:

850478588567862317521167644239926010288584608120796235886430763388588680378079017697280000000000000000

Approximations[]

Notation Lower bound Upper bound
Scientific notation \(8.504\times10^{101}\) \(8.505\times10^{101}\)
Arrow notation \(30\uparrow69\) \(37\uparrow65\)
Steinhaus-Moser Notation 57[3] 58[3]
Copy notation 7[102] 8[102]
Taro's multivariable Ackermann function A(3,335) A(3,336)
Pound-Star Notation #*(4,10,10,9,6,3,2)*9 #*(5,10,10,9,6,3,2)*9
BEAF {30,69} {37,65}
Hyper-E notation 8E101 9E101
Hyperfactorial array notation 71!
Fast-growing hierarchy \(f_2(330)\) \(f_2(331)\)
Hardy hierarchy \(H_{\omega^2}(330)\) \(H_{\omega^2}(331)\)
Slow-growing hierarchy \(g_{\omega^{\omega+9}49}(50)\) \(g_{\omega^{\omega+23}10}(40)\)

Sources[]

See also[]


[[Category:Numbers]]
[[Category:Class 2]]
[[Category:Orders of symmetric groups]]
[[Category:Joyce's unsourced numbers]]
[[Category:Roman numeral-based name]]
[[Category:Numbers with 101 to 999 digits]]
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