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{{distinguish|duocentillion}}
 
{{distinguish|duocentillion}}
The '''ducentillion''' or '''dihectillion'''<ref>https://sites.google.com/site/aarexnumbers/home/ch2/at1i</ref> is equal to 10<sup>603</sup> in short scale and 10<sup>1,200</sup> in long scale.<ref>[http://www.polytope.net/hedrondude/illion.htm Illion Numbers]</ref> The name is equal with Conway-Wechsler System,<ref>[http://www.mrob.com/pub/math/largenum.html#conway-wechsler]</ref> but it seems to be developed independently.
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'''Ducentillion''' or '''dihectillion'''<ref>https://sites.google.com/site/aarexnumbers/home/ch2/at1i</ref> is equal to 10<sup>603</sup> in short scale and 10<sup>1,200</sup> in long scale.<ref>[http://www.polytope.net/hedrondude/illion.htm Illion Numbers]</ref> The name is equal with Conway-Wechsler System,<ref>[http://www.mrob.com/pub/math/largenum.html#conway-wechsler]</ref> but it seems to be developed independently.
   
 
Landon Curt Noll coined the name '''duocentillion''' for this number (not to be confused with Bowers' [[duocentillion]], which equals 10<sup>309</sup>).<ref>[http://www.isthe.com/chongo/tech/math/number/tenpower.html English names of the first 10000 powers of 10 - American System without dashes]</ref><ref>[http://www.isthe.com/chongo/tech/math/number/tenpowere.html English names of the first 10000 powers of 10 - European System without dashes]</ref>
 
Landon Curt Noll coined the name '''duocentillion''' for this number (not to be confused with Bowers' [[duocentillion]], which equals 10<sup>309</sup>).<ref>[http://www.isthe.com/chongo/tech/math/number/tenpower.html English names of the first 10000 powers of 10 - American System without dashes]</ref><ref>[http://www.isthe.com/chongo/tech/math/number/tenpowere.html English names of the first 10000 powers of 10 - European System without dashes]</ref>
   
[[Aarex Tiaokhiao]] gave the name '''bicemillion''', referring to the value of this number.<ref>[https://sites.google.com/site/aarexnumbers/home/flo2i Aarex Tiaokhiao's illion numbers]</ref>
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[[Aarex Tiaokhiao]] gave the name '''bicemillion''', referring to the value of this number.<ref>[https://sites.google.com/site/aarexnumbers/home/flo2i Aarex Tiaokhiao's illion numbers]{{dead link}}</ref>
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It is 604 digits long in short scale, or 1,201 digits long in long scale.
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Written out in decimal form ducentillion (in the short scale) is:
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{{digits|1000{{100 zeros}}{{500 zeros}}}}
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In long scale:
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{{digits|1{{200 zeros}}{{1000 zeros}}}}
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==Approximations==
 
==Approximations==
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|9[603]
 
|9[603]
 
|10[302]
 
|10[302]
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|-
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|[[Chained arrow notation]]
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|colspan="2" align="center"|\(10\rightarrow603\)
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|-
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|[[H* function]]
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|colspan="2" align="center"|H(200)
 
|-
 
|-
 
|[[Taro's multivariable Ackermann function]]
 
|[[Taro's multivariable Ackermann function]]
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|#*((148))*15
 
|#*((148))*15
 
|-
 
|-
|[[BEAF]]
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|[[BEAF]] & [[Bird's array notation]]
 
|colspan="2" align="center"|{10,603}
 
|colspan="2" align="center"|{10,603}
 
|-
 
|-
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|-
 
|-
 
|[[Bashicu matrix system]]
 
|[[Bashicu matrix system]]
|(0)(1)[8]
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|(0)(0)(0)(0)(0)(0)(0)[51396]
|(0)(1)[9]
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|(0)(0)(0)(0)(0)(0)(0)[51397]
 
|-
 
|-
 
|[[Hyperfactorial array notation]]
 
|[[Hyperfactorial array notation]]
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|-
 
|-
 
|[[Bashicu matrix system]]
 
|[[Bashicu matrix system]]
|(0)(1)[9]
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|(0)(1)[3]
|(0)(1)[10]
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|(0)(1)[4]
 
|-
 
|-
 
|[[Hyperfactorial array notation]]
 
|[[Hyperfactorial array notation]]
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== See also ==
 
== See also ==
 
{{illion}}
 
{{illion}}
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[[Category: Tier 1 -illion numbers]]
 
[[Category:Numbers]]
 
[[Category:Numbers]]
 
[[Category:Illion]]
 
[[Category:Illion]]

Revision as of 15:49, 15 December 2020

Not to be confused with duocentillion.

Ducentillion or dihectillion[1] is equal to 10603 in short scale and 101,200 in long scale.[2] The name is equal with Conway-Wechsler System,[3] but it seems to be developed independently.

Landon Curt Noll coined the name duocentillion for this number (not to be confused with Bowers' duocentillion, which equals 10309).[4][5]

Aarex Tiaokhiao gave the name bicemillion, referring to the value of this number.[6]

It is 604 digits long in short scale, or 1,201 digits long in long scale.

Written out in decimal form ducentillion (in the short scale) is:

10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Template:500 zeros

In long scale:

1Template:200 zeros0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000}}


Approximations

For short scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{603}\)
Arrow notation \(10\uparrow603\)
Steinhaus-Moser Notation 251[3] 252[3]
Copy notation 9[603] 10[302]
Chained arrow notation \(10\rightarrow603\)
H* function H(200)
Taro's multivariable Ackermann function A(3,2000) A(3,2001)
Pound-Star Notation #*((147))*15 #*((148))*15
BEAF & Bird's array notation {10,603}
Hyper-E notation E603
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)[51396] (0)(0)(0)(0)(0)(0)(0)[51397]
Hyperfactorial array notation 295! 296!
Fast-growing hierarchy \(f_2(1992)\) \(f_2(1993)\)
Hardy hierarchy \(H_{\omega^2}(1992)\) \(H_{\omega^2}(1993)\)
Slow-growing hierarchy \(g_{\omega^{\omega^26+3}}(10)\)

For long scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{1200}\)
Arrow notation \(10\uparrow1200\)
Steinhaus-Moser Notation 451[3] 452[3]
Copy notation 9[1200] 1[1201]
Taro's multivariable Ackermann function A(3,3983) A(3,3984)
Pound-Star Notation #*((1182))*20 #*((1183))*20
BEAF {10,1200}
Hyper-E notation E1200
Bashicu matrix system (0)(1)[3] (0)(1)[4]
Hyperfactorial array notation 524! 525!
Fast-growing hierarchy \(f_2(3974)\) \(f_2(3975)\)
Hardy hierarchy \(H_{\omega^2}(3974)\) \(H_{\omega^2}(3975)\)
Slow-growing hierarchy \(g_{\omega^{\omega^3+\omega^22}}(10)\)

Sources

See also

Main article: -illion
1–9: million · billion · trillion · quadr · quint · sext · sept · oct · non
10–19: decillion · undec · duodec · tredec · quattuordec · quindec · sexdec · septendec · octodec · novemdec
20–29: vigintillion · unvigint · duovigint · tresvigint · quattuorvigint · quinvigint · sesvigint · septemvigint · octovigint · novemvigint
30–39: trigintillion (un- · duo- · tres- · quattuor- · quin- · ses- · septen- · octo- · noven-)
40–49: quadragintillion (un- · duo- · tres- · quattuor- · quin- · ses- · septen- · octo- · noven-)
50–59: quinquagintillion (un- · duo- · tres- · quattuor- · quin- · ses- · septen- · octo- · noven-)
60–69: sexagintillion (un- · duo- · tre- · quattuor- · quin- · se- · septen- · octo- · noven-)
70–79: septuagintillion (un- · duo- · tre- · quattuor- · quin- · se- · septen- · octo- · noven-)
80–89: octogintillion (un- · duo- · tres- · quattuor- · quin- · sex- · septem- · octo- · novem-)
90–99: nonagintillion (un- · duo- · tre- · quattuor- · quin- · se- · septe- · octo- · nove-)
100–900: centillion · ducent · trecent · quadringent · quingent · sescent · septingent · octingent · nongent
1,000–1024: millillion · dumill · dumillinonagintanongent · trimill · trimilliduotrigintatrecent · trimillisexoctogintaoctingent · quadrimill · quadrimilliquattuordecicent · quinmill · sexmill · septimill · octimill · nonimill · myr · decimilliquinsexagintasescent · dumyr · unquadragintamilliunquinquagintacent · centimill · micr · nan · pic · femt · att · zept · yoct