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Decker
100000.....00000    9
 
100000.....00000
 
100000.....00000
100000.....00000
10000000000  
Decker in zeroes

The decker is 10 tetrated to 10 (or equivalently 10 pentated to 2), or {10,10,2} in BEAF.[1] The term was coined by Jonathan Bowers.

Informally, the number is one followed by "one followed by "one followed by "one followed by "one followed by "one followed by "one followed by "one followed by ten billion zeroes" zeroes" zeroes" zeroes" zeroes" zeroes" zeroes" zeroes. It is also 10 pentated to 2, as \(n \uparrow^{k} n = n \uparrow^{k+1} 2\). The number's name is probably a reference to the SI prefix deca- for 10, which is itself derived ultimately from the Ancient Greek word δέκα, meaning 10.

In terms of recursion, decker is on par with the larger numbers giggol (10 tetrated to 100 = {10,100,2}) and grangol (E100#100), although decker is much smaller.

This number is also called dekalogue by Sbiis Saibian; it is E1#10 in Hyper-E notation.[2][3] This number can also be called "megafugaten" using Alistair Cockburn's megafuga- prefix.

Aarex Tiaokhiao calls this number digcol or bagiol.[4]

Approximations in other notations Edit

Notation Approximation
Scientific notation \(10^{10^{10^{10^{10^{10^{10^{10^{10^{10}}}}}}}}}\) (exact value)
Up-arrow notation \(10 \uparrow\uparrow 10, 10 \uparrow\uparrow\uparrow 2\) (both exact values)
Chained arrow notation \(10 \rightarrow 10 \rightarrow 2, 10 \rightarrow 2 \rightarrow 3\) (both exact values)
BEAF \(\{10,10,2\}, \{10,2,3\}\) (both exact values)
Hyperfactorial array notation \(((((((((13!0)!0)!0)!0)!0)!0)!0)!0)!0\)
Fast-growing hierarchy \(f^9_2(30)\)
Hardy hierarchy \(H_{\omega^2\times9}(30)\)
Slow-growing hierarchy \(g_{\varepsilon_0}(10)\) (exact value)
Joyce's More Generalized Exponential Notation g(4, 2, 10)
Munafo's ASCII-lexicographic ordering p8_e010_1 (exact value)

Visual representations Edit

Sources Edit

  1. Bowers, JonathanInfinity Scrapers. Retrieved January 2013.
  2. Saibian, Sbiis. Hyper-E Numbers
  3. Sbiis Saibian's Ultimate Large Numbers List
  4. Part 1 (LAN) - Aarex Googology

See also Edit

Saibian's power towers of 10s

-logue series: Dialogue · Trialogue · Tetralogue · Pentalogue · Hexalogue · Heptalogue · Octalogue · Ennalogue · Dekalogue · Endekalogue · Dodekalogue · Triadekalogue · Tetradekalogue · Pentadekalogue · Hexadekalogue · Heptadekalogue · Octadekalogue · Ennadekalogue · Icosalogue · Triantalogue · Terantalogue · Penantalogue · Exatalogue · Eptatalogue · Ogdatalogue · Entatalogue · Hectalogue · Chilialogue · Myrialogue · Chilia-chilialogue · Chilia-myrialogue · Myria-myrialogue · Dialogialogue · Sedeniadalogue · Guppylogue · Minnowlogue · Gobylogue · Gogologue · Ogologue · Googologue · Trialogialogue · Googolplexilogue · Tetralogialogue · Googolduplexilogue · Pentalogialogue · Googoltriplexilogue · Hexalogialogue · Heptalogialogue · Octalogialogue · Ennalogialogue · Dekalogialogue · Hectalogialogue · Chilialogialogue · Myrialogialogue · Octadialogialogue · Sedeniadialogialogue · Trialogialogialogue · Tetralogialogialogue · Pentalogialogialogue · Hexalogialogialogue · Heptalogialogialogue · Octalogialogialogue · Ennalogialogialogue · Dekalogialogialogue · Hectalogialogialogue · Chilialogialogialogue · Myrialogialogialogue · Octadialogialogialogue · Sedeniadialogialogialogue
-taxis series: Tria-taxis · Tetra-taxis · Penta-taxis · Hexa-taxis · Hepta-taxis · Octa-taxis · Enna-taxis · Deka-taxis · Hecta-taxis · Chilia-taxis · Myria-taxis · Chilia-chilia-taxis · Chilia-myria-taxis · Myria-myria-taxis · Sedeniadia-taxis · Googolia-taxis · Trialogia-taxis · Googolplexia-taxis · Tetralogia-taxis · Googolduplexia-taxis · Pentalogia-taxis · Googoltriplexia-taxis · Hexalogia-taxis · Heptalogia-taxis · Octalogia-taxis · Ennalogia-taxis · Dekalogia-taxis · Triataxia-taxis · Dekataxia-taxis · Hectataxia-taxis · Triataxiataxia-taxis · Dekataxiataxia-taxis · Hectataxiataxia-taxis
-petaxis series: Tria-petaxis · Tetra-petaxis · Penta-petaxis · Hexa-petaxis · Hepta-petaxis · Octa-petaxis · Enna-petaxis · Deka-petaxis · Hecta-petaxis · Chilia-petaxis · Myria-petaxis
-exaxis series: Tria-exaxis · Tetra-exaxis · Deka-exaxis · Hecta-exaxis · Chilia-exaxis · Myria-exaxis
-eptaxis series: Tria-eptaxis · Tetra-eptaxis · Deka-eptaxis · Hecta-eptaxis · Chilia-eptaxis · Myria-eptaxis
-octaxis series: Tria-octaxis · Tetra-octaxis · Deka-octaxis · Hecta-octaxis · Chilia-octaxis · Myria-octaxis
-ennaxis series: Tria-ennaxis · Tetra-ennaxis · Deka-ennaxis · Hecta-ennaxis · Chilia-ennaxis · Myria-ennaxis
-dekaxis series: Tria-dekaxis · Tetra-dekaxis · Deka-dekaxis · Hecta-dekaxis · Chilia-dekaxis · Myria-dekaxis
-endekaxis series: Tria-endekaxis · Tetra-endekaxis · Deka-endekaxis · Hecta-endekaxis · Chilia-endekaxis · Myria-endekaxis
-dodekaxis series: Tria-dodekaxis · Tetra-dodekaxis · Deka-dodekaxis · Hecta-dodekaxis · Chilia-dodekaxis · Myria-dodekaxis


Numbers named with the fuga- family of prefixes

Gar-: garone · gartwo · garthree · garfour · garfive · garsix · garseven · gareight · garnine · garten · garhundred · gargoogol · gargoogolplex
Fz-: fzone · fztwo · fzthree · fzfour · fzfive · fzsix · fzseven · fzeight · fznine · fzten · fzeleven · fzhundred · fzgoogol · fzmilliplexion · fzgoogolplex · fzgargoogolplex · fzgargantugoogolplex
Fuga-: fugaone · fugatwo · fugathree · fugafour · fugafive · fugasix · fugaseven · fugaeight · fuganine · fugaten · fugahundred · fugagoogol · fugagoogolplex · fugagargoogolplex · fugagargantugoogolplex
Megafuga-: megafugaone · megafugatwo · megafugathree · megafugafour · megafugafive · megafugasix · megafugaseven · megafugaeight · megafuganine · megafugaten · megafugaeleven · megafugatwelve · megafugathirteen · megafugafourteen · megafugafifteen · megafugasixteen · megafugaseventeen · megafugaeighteen · megafuganineteen · megafugatwenty · megafugahundred · megafugagoogol · megafugagoogolplex · megafugagargoogolplex · megafugagargantugoogolplex
Booga-: boogaone · boogatwo · boogathree · boogafour · boogafive · boogasix · boogaseven · boogaeight · booganine · boogaten · boogahundred · boogagoogol · boogagoogolplex

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