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For long scale's septenvigintillion, see trequinquagintillion.

A septenvigintillion or septemvigintillion is equal to \(10^{84}\) in the short scale, or \(10^{162}\) in the long scale. Septenvigintillion is a name based on Russ Rowlett's naming system,[1] and septemvigintillion is a name based on Conway and Guy's naming system.[2][3][4]

Sbiis Saibian uses the term viginti-septillion for this number.[5]

SuperJedi224 calls this number tre-tritillion[6].

Approximations

Notation Lower bound Upper bound
Scientific notation \(1\times10^{84}\)
Arrow notation \(10\uparrow84\)
Steinhaus-Moser Notation 49[3] 50[3]
Copy notation 9[84] 1[85]
Taro's multivariable Ackermann function A(3,276) A(3,277)
Pound-Star Notation #*(10,1,0,0,0,4,3)*7 #*(6,0,0,9,1)*13
BEAF {10,84}
Bashicu matrix system (0)(0)(0)(0)(0)[421] (0)(0)(0)(0)(0)[422]
Hyperfactorial array notation 61! 62!
Fast-growing hierarchy \(f_2(270)\) \(f_2(271)\)
Hardy hierarchy \(H_{\omega^2}(270)\) \(H_{\omega^2}(271)\)
Slow-growing hierarchy \(g_{\omega^{\omega8+4}}(10)\)

List of prefixed numbers derived from vigintillion

Name Short scale Long scale
unvigintillion 1066 10126
duovigintillion 1069 10132
trevigintillion 1072 10138
quattuorvigintillion 1075 10144
quinvigintillion 1078 10150
sexvigintillion 1081 10156
septenvigintillion 1084 10162
octovigintillion 1087 10168
novemvigintillion 1090 10174

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 · 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 · duotrigintatrecent · quadringent · quingent · sescent · septuagintisescent · 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
Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

Based on the Faxul

Googovipleccix family

Graham Sequence Numbers

-Illion numbers

"-Illion" numbers by SuperJedi224

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