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The kilofaxul (also called faxulenek[1]) is equal to faxul! or (200!)!, where ! denotes the factorial.[2] It is also equal to 200!2, using Nested Factorial Notation. The term was coined by Lawrence Hollom. A kilofaxul! is called a megafaxul

Etymology[]

The name of this number is based on SI prefix "kilo-" and the number "faxul".

Approximations in other notations[]

Notation Lower bound Upper bound
Arrow notation \(124\uparrow416\uparrow144\) \(338\uparrow621\uparrow135\)
Down-arrow notation \(565\downarrow\downarrow138\) \(99\downarrow\downarrow190\)
Steinhaus-Moser Notation 168[3][3] 169[3][3]
Copy notation 2[2[378]] 3[3[378]]
H* function H(98H(124)) H(99H(124))
Taro's multivariable Ackermann function A(3,A(3,1252)) A(3,A(3,1253))
Pound-Star Notation #*((1))*((154))*9 #*((1))*((155))*9
BEAF {124,{416,144}} {338,{621,135}}
Hyper-E notation E[565]137#2 E[99]189#2
Bashicu matrix system (0)(1)[35] (0)(1)[36]
Fast-growing hierarchy \(f^2_2(1\,241)\) \(f^2_2(1\,242)\)
Hardy hierarchy \(H_{\omega^22}(1\,245)\) \(H_{\omega^22}(1\,246)\)
Slow-growing hierarchy \(g_{\omega^{\omega^{\omega^23+\omega7+7}2}}(10)\) \(g_{\omega^{\omega^{\omega^23+\omega7+7}3}}(10)\)

Sources[]

See also[]

Hyperfactorial array notation numbers: Minor Faxul Group | Major (Giaxul)

Faxul group: Faxul (Kilo- · Mega- · Giga- · Tera- · Peta- · Exa- · Grand (Kilo- · Mega- · Giga- · Tera- · Peta- · Exa-) · Bigrand (Kilo- · Mega-) · Trigrand (Kilo-) · Quadgrand · Quintgrand)
Expofaxul group: Expofaxul (Kilo- · Mega- · Giga- · Tera- · Peta- · Exa- · Grand (Kilo- · Mega- · Giga- · Tera- · Peta- · Exa-) · Bigrand (Kilo- · Mega-) · Trigrand (Kilo-) · Quadgrand · Quintgrand)
Tetrofaxul group: Tetrofaxul (Kilo- · Mega- · Giga- · Tera- · Peta- · Exa- · Grand (Kilo- · Mega- · Giga- · Tera- · Peta- · Exa-) · Bigrand (Kilo- · Mega-) · Trigrand (Kilo-) · Quadgrand · Quintgrand)
Pentofaxul group: Pentofaxul (Kilo- · Mega- · Giga- · Grand (Kilo- · Mega- · Giga-) · Bigrand · Trigrand)
Hexofaxul group: Hexofaxul (Kilo- · Mega- · Giga- · Grand (Kilo- · Mega- · Giga-) · Bigrand · Trigrand)
Heptofaxul group: Heptofaxul · Octofaxul
Hyperfaxul group: Hyperfaxul (Kilo- · Mega- · Giga- · Tera- · Peta- · Exa- · Grand (Kilo- · Mega- · Giga- · Tera- · Peta- · Exa-) · Bigrand (Kilo- · Mega-) · Trigrand (Kilo- · Mega-) · Quadgrand · Quintgrand)
Redstonepillager's extensions: Dopperfaxul · Googaxul
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