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The '''Exafaxul''' is equal to [[Petafaxul]][[factorial|!]], ((((([[faxul]]!)!)!)!)!)! or ((((((200!)!)!)!)!)!)!<ref>[https://sites.google.com/a/hollom.com/extremely-big-numbers/home/hyperfactorial-numbers Lawrence Hollom's large numbers site]</ref>, or 200!<sup>7</sup> using [[Nested Factorial Notation]]. The term was coined by [[Lawrence Hollom]].
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'''Exafaxul''' (also called '''faxulsexaenek'''<ref>[https://sites.google.com/a/hollom.com/extremely-big-numbers/home/factorial-array-notation Factorial Array Notation - Extremely big numbers]</ref>) is equal to [[petafaxul]][[factorial|!]], ((((([[faxul]]!)!)!)!)!)! or ((((((200!)!)!)!)!)!)!<ref>[https://sites.google.com/a/hollom.com/extremely-big-numbers/old-homepage/hyperfactorial-numbers/number Lawrence Hollom's large numbers site]</ref>, or 200!<sup>7</sup> using [[Nested Factorial Notation]]. The term was coined by [[Lawrence Hollom]].
=== Etymology ===
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== Etymology ==
 
The name of this number is based on [[SI prefix]] "[[exa-]]" and the number "[[faxul]]".
 
The name of this number is based on [[SI prefix]] "[[exa-]]" and the number "[[faxul]]".
=== Approximations in other notations ===
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== Approximations in other notations ==
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 500px;"
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 500px;"
 
|-
 
|-
Line 9: Line 9:
 
|-
 
|-
 
|[[Scientific notation]]
 
|[[Scientific notation]]
|\(10^{10^{10^{10^{10^{10^{10^{379}}}}}}}\)
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|\(10^{10^{10^{10^{10^{10^{10^{377}}}}}}}\)
 
|-
 
|-
 
|[[Up-arrow notation]]
 
|[[Up-arrow notation]]
  +
|\(170\uparrow\uparrow8\)
|\(10 \uparrow 10 \uparrow 10 \uparrow 10 \uparrow 10 \uparrow 10 \uparrow 10 \uparrow 379\)
 
 
|-
 
|-
 
|[[Chained arrow notation]]
 
|[[Chained arrow notation]]
  +
|\(170\rightarrow8\rightarrow2\)
|\(10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow 379))))))\)
 
 
|-
 
|-
 
|[[BEAF]]
 
|[[BEAF]]
  +
|\(\{170,8,2\}\)
|\(\{10,\{10,\{10,\{10,\{10,\{10,\{10,379\}\}\}\}\}\}\}\)
 
  +
|-
  +
|[[Hyper-E notation]]
  +
|\(\textrm E377\#7\)
 
|-
 
|-
 
|[[Fast-growing hierarchy]]
 
|[[Fast-growing hierarchy]]
  +
|\(f_{2}^{7}(1\,235)\)
|\(f_2(f_2(f_2(f_2(f_2(f_2(f_2(1235)))))))\)
 
 
|-
 
|-
 
|[[Hardy hierarchy]]
 
|[[Hardy hierarchy]]
|\(H_{(\omega^2) 7}(200)\)
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|\(H_{\omega^2\times 7}(1\,235)\)
 
|-
 
|-
 
|[[Slow-growing hierarchy]]
 
|[[Slow-growing hierarchy]]
|\(g_{\omega^{\omega^{\omega^{\omega^{\omega^{\omega^{\omega^\omega}}}}}}}(200)\)
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|\(g_{\omega\uparrow\uparrow8}(170)\)
 
|}
 
|}
 
== Sources ==
 
=== Number Navigator ===
 
{{numnav|Petafaxul|Grand Faxul}}
 
===Sources===
 
 
<references/>
 
<references/>
=== See also ===
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== See also ==
 
{{Factorial numbers}}
 
{{Factorial numbers}}
 
[[Category:Numbers]]
 
[[Category:Numbers]]
 
[[Category:Numbers by Lawrence Hollom]]
 
[[Category:Numbers by Lawrence Hollom]]
  +
[[Category:Orders of symmetric groups]]
 
[[Category:Tetration level]]
 
[[Category:Factorial numbers]]
 
[[Category:Factorial numbers]]
[[Category:Exponentiation level]]
 

Revision as of 21:32, 5 February 2021

Exafaxul (also called faxulsexaenek[1]) is equal to petafaxul!, (((((faxul!)!)!)!)!)! or ((((((200!)!)!)!)!)!)![2], or 200!7 using Nested Factorial Notation. The term was coined by Lawrence Hollom.

Etymology

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

Approximations in other notations

Notation Approximation
Scientific notation \(10^{10^{10^{10^{10^{10^{10^{377}}}}}}}\)
Up-arrow notation \(170\uparrow\uparrow8\)
Chained arrow notation \(170\rightarrow8\rightarrow2\)
BEAF \(\{170,8,2\}\)
Hyper-E notation \(\textrm E377\#7\)
Fast-growing hierarchy \(f_{2}^{7}(1\,235)\)
Hardy hierarchy \(H_{\omega^2\times 7}(1\,235)\)
Slow-growing hierarchy \(g_{\omega\uparrow\uparrow8}(170)\)

Sources

See also

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

Faxul group: Faxul · Kilofaxul · Megafaxul · Gigafaxul · Terafaxul · Petafaxul · Exafaxul · Grand Faxul · Grand Kilofaxul · Grand Megafaxul · Grand Gigafaxul · Grand Terafaxul · Grand Petafaxul · Grand Exafaxul · Bigrand Faxul · Bigrand Kilofaxul · Bigrand Megafaxul · Trigrand Faxul · Trigrand Kilofaxul · Quadgrand Faxul · Quintgrand Faxul
Expofaxul group: Expofaxul · Kiloexpofaxul · Megaexpofaxul · Gigaexpofaxul · Teraexpofaxul · Petaexpofaxul · Exaexpofaxul · Grand expofaxul · Grand kiloexpofaxul · Grand megaexpofaxul · Grand gigaexpofaxul · Grand teraexpofaxul · Grand petaexpofaxul · Grand exaexpofaxul · Bigrand expofaxul · Bigrand kiloexpofaxul · Bigrand megaexpofaxul · Trigrand expofaxul · Trigrand kiloexpofaxul · Quadgrand expofaxul · Quintgrand expofaxul
Tetrofaxul group: Tetrofaxul · Kilotetrofaxul · Megatetrofaxul · Gigatetrofaxul · Teratetrofaxul · Petatetrofaxul · Exatetrofaxul · Grand tetrofaxul · Grand kilotetrofaxul · Grand megatetrofaxul · Grand gigatetrofaxul · Grand teratetrofaxul · Grand petatetrofaxul · Grand exatetrofaxul · Bigrand tetrofaxul · Bigrand kilotetrofaxul · Bigrand megatetrofaxul · Trigrand tetrofaxul · Trigrand kilotetrofaxul · Quadgrand tetrofaxul · Quintgrand tetrofaxul
Pentofaxul group: Pentofaxul · Kilopentofaxul · Megapentofaxul · Gigapentofaxul · Grand pentofaxul · Grand kilopentofaxul · Grand megapentofaxul · Grand gigapentofaxul · Bigrand pentofaxul · Trigrand pentofaxul
Hexofaxul group: Hexofaxul · Kilohexofaxul · Megahexofaxul · Gigahexofaxul · Grand hexofaxul · Grand kilohexofaxul · Grand megahexofaxul · Grand gigahexofaxul · Bigrand hexofaxul · Trigrand hexofaxul
Heptofaxul group: Heptofaxul · Octofaxul
Hyperfaxul group: Hyperfaxul · Kilohyperfaxul · Megahyperfaxul · Gigahyperfaxul · Terahyperfaxul · Petahyperfaxul · Exahyperfaxul · Grand hyperfaxul · Grand kilohyperfaxul · Grand megahyperfaxul · Grand gigahyperfaxul · Grand terahyperfaxul · Grand petahyperfaxul · Grand exahyperfaxul · Bigrand hyperfaxul · Bigrand kilohyperfaxul · Bigrand megahyperfaxul · Trigrand hyperfaxul · Trigrand kilohyperfaxul · Trigrand megahyperfaxul · Quadgrand hyperfaxul · Quintgrand hyperfaxul
Redstonepillager's extensions: Kiloheptofaxul · Megaheptofaxul · Ennofaxul · Decofaxul · Undecofaxul · Dodecofaxul · Tredecofaxul · Dopperfaxul · Kilodopperfaxul · Megadopperfaxul · Tropperfaxul · Quadroppperfaxul · Quintopperfaxul · Sextopperfaxul · Septopperfaxul · Oxtopperfaxul · Novtopperfaxul · Dextopperfaxul · Googaxul