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The Fibonal, coined by SuperJedi224, is equal to the 50th term in the fibonacci sequence (L being the roman numeral for 50), starting from the first one[1].

Its full decimal expansion is 12,586,269,025.

Its prime factorization is 52 × 11 × 101 × 151 × 3001.

Approximations in other notations

Notation Lower bound Upper bound
Scientific notation \(1.2586269025\times10^{10}\)
Arrow notation \(48\uparrow6\) \(6\uparrow13\)
Steinhaus-Moser Notation 10[3] 11[3]
Copy notation 1[11] 2[11]
Taro's multivariable Ackermann function A(3,30) A(3,31)
Pound-Star Notation #*(3,0,6)*3 #*(3,3)*6
BEAF {48,6} {6,13}
Hyper-E notation E10 E[6]13
Bashicu matrix system (0)(0)[334] (0)(0)[335]
Hyperfactorial array notation 13! 14!
Fast-growing hierarchy \(f_2(28)\) \(f_2(29)\)
Hardy hierarchy \(H_{\omega^2}(28)\) \(H_{\omega^2}(29)\)
Slow-growing hierarchy \(g_{\omega^5\times25+\omega^3\times25+\omega5}(55)\)


See also

Fibonacci Numbers by SuperJedi224
Level One
Fibonax · Fibonaxix · Fibonal · Fibonad · Fibonamij

Numbers By SuperJedi224

Fibonacci Numbers

Level One

Fibonax · Fibonaxix · Fibonal · Fibonad · Fibonamij · Fibonadbar

Pound-Star Notation

Based on the Faxul

Googovipleccix family

Graham Sequence Numbers

-Illion numbers