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The septingentillion is equal to 102,103 in short scale.[1] This number is also equal to 104,200 in the long scale of naming zillions, accepted in French and Germany.

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

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In long scale:

1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000


ApproximationsEdit

For short scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{2103}\)
Arrow notation \(10\uparrow2103\)
Steinhaus-Moser Notation 733[3] 734[3]
Copy notation 9[2103] 10[1052]
Taro's multivariable Ackermann function A(3,6983) A(3,6984)
Pound-Star Notation #*((78))*26 #*((79))*26
BEAF {10,2103}
Hyper-E notation E2103
Bashicu matrix system (0)(1)[10] (0)(1)[11]
Hyperfactorial array notation 843! 844!
Fast-growing hierarchy \(f_2(6973)\) \(f_2(6974)\)
Hardy hierarchy \(H_{\omega^2}(6973)\) \(H_{\omega^2}(6974)\)
Slow-growing hierarchy \(g_{\omega^{\omega^32+\omega^2+3}}(10)\)

For long scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{4200}\)
Arrow notation \(10\uparrow4200\)
Steinhaus-Moser Notation 1342[3] 1343[3]
Copy notation 9[4200] 1[4201]
Taro's multivariable Ackermann function A(3,13949) A(3,13950)
Pound-Star Notation #*((805))*35 #*((806))*35
BEAF {10,4200}
Hyper-E notation E4200
Bashicu matrix system (0)(1)[10] (0)(1)[11]
Hyperfactorial array notation 1526! 1527!
Fast-growing hierarchy \(f_2(13938)\) \(f_2(13939)\)
Hardy hierarchy \(H_{\omega^2}(13938)\) \(H_{\omega^2}(13939)\)
Slow-growing hierarchy \(g_{\omega^{\omega^34+\omega^22}}(10)\)

Sources Edit

  1. Illion Numbers by Jonathan Bowers

See also Edit

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 · trevigint · quattuorvigint · quinvigint · sexvigint · septenvigint · octovigint · novemvigint
30–39: trigintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
40–49: quadragintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
50–59: quinquagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
60–69: sexagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
70–79: septuagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
80–89: octogintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
90–99: nonagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
100–900: centillion · unviginticent · unsexagintacent · ducent · trecent · quadringent · quingent · sescent · septuagintisescent · septingent · octingent · nongent
1000–1024: millillion · dumill · trimill · quadrimill · quinmill · sexmill · septimill · octimill · nonimill · myr · dumyr · tremyr · quadrimyr · quinmyr · sesintimyr · septimyr · octimyr · nonimyr · centimill · ducentimill · micr · dumicr · tremicr · quadringicr · quingicr · sesmicr · septingicr · octingicr · nongicr · nan · pic · duopic · trupic · quattuorgic · quinquapic · sexapic · septepic · octrupic · novempic · femt · dofemt · trifemt · tetrafemt · pentafemt · hexafemt · heptafemt · octafemt · nonafemt · att · duatt · triatt · quadratt · quinquatt · sexatt · septatt · octatt · nonatt · zept · duzept · trezept · quadringept · quingept · seszept · septingept · octingept · nongept · yoct


Main article: -illion
700–709: septingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
710–719: deciseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
720–729: vigintiseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
730–739: trigintaseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
740–749: quadragintaseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
750–759: quinquagintaseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
760–769: sexagintaseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
770–779: septuagintaseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
780–789: octogintaseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
790–799: nonagintaseptingentillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
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