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An unseptuagintillion is equal to 10216 in America, or 10426 in France and Germany.[1]

In the long scale which is commonly used in France and Germany, 10216 is called sextrigintillion.

ApproximationsEdit

For short scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{216}\)
Arrow notation \(10\uparrow216\)
Steinhaus-Moser Notation 106[3] 107[3]
Copy notation 9[216] 1[217]
Taro's multivariable Ackermann function A(3,714) A(3,715)
Pound-Star Notation #*((7377))*9 #*((7378))*9
BEAF {10,216}
Hyper-E notation E216
Bashicu matrix system (0)(0)(0)(0)(0)(0)[2371] (0)(0)(0)(0)(0)(0)[2372]
Hyperfactorial array notation 128! 129!
Fast-growing hierarchy \(f_2(708)\) \(f_2(709)\)
Hardy hierarchy \(H_{\omega^2}(708)\) \(H_{\omega^2}(709)\)
Slow-growing hierarchy \(g_{\omega^{\omega^22+\omega+6}}(10)\)

For long scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{426}\)
Arrow notation \(10\uparrow426\)
Steinhaus-Moser Notation 187[3] 188[3]
Copy notation 9[426] 1[427]
Taro's multivariable Ackermann function A(3,1412) A(3,1413)
Pound-Star Notation #*((68))*13 #*((69))*13
BEAF {10,426}
Hyper-E notation E426
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)[2128] (0)(0)(0)(0)(0)(0)(0)[2129]
Hyperfactorial array notation 221! 222!
Fast-growing hierarchy \(f_2(1404)\) \(f_2(1405)\)
Hardy hierarchy \(H_{\omega^2}(1404)\) \(H_{\omega^2}(1405)\)
Slow-growing hierarchy \(g_{\omega^{\omega^24+\omega2+6}}(10)\)

List of prefixed numbers derived from septuagintillionEdit

Name Short scale Long scale
unseptuagintillion 10216 10426
duoseptuagintillion 10219 10432
treseptuagintillion 10222 10438
quattuorseptuagintillion 10225 10444
quinseptuagintillion 10228 10450
sexseptuagintillion 10231 10456
septenseptuagintillion 10234 10462
octoseptuagintillion 10237 10468
novemseptuagintillion 10240 10474

Sources Edit

  1. Very big numbers on Skynet

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 · primo-vigesimo-cent · ducent · trecent · duotrigintatrecent · quadringent · quingent · sescent · septuagintisescent · septingent · octingent · nongent
1000–1024: millillion · dumill · trimill · quadrimill · quinmill · sexmill · septimill · octimill · nonimill · myr · centimill · micr · nan · pic · femt · att · zept · yoct