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维基媒体列表条目 来自维基百科,自由的百科全书
本条目列出并讨论西方国家常用大数名词的用法和来源,及其可能的扩展。中文大数名词参见中文数字 § 大数系统。
下表列出一些可以在许多英文字典发现的大数名称,因此是“真实的单字”。其中显示的“英国传统”价值在美式英文中未被使用,而在英式英文中也已经过时,但在非英文区域,包括欧洲大陆和拉丁美洲的西班牙文国家,其他文言变体占主导地位;这两种命名方式分别称为短级差和长级差系统。
名称 | 短级差 (美国, 东欧, 加拿大和 澳大利亚英文 以及现代英文) |
长级差 (西欧中欧, 古代英文, 和加拿大法文) |
权威性 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
AHD4 [1] |
CED [2] |
COD [3] |
OED2 [4] |
OEDnew [5] |
RHD2 [6] |
SOED3 [7] |
W3 [8] |
UM [9] | |||
Million | 106 | 106 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Milliard | 109 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Billion | 109 | 1012 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Billiard | 1015 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Trillion | 1012 | 1018 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Quadrillion | 1015 | 1024 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Quintillion | 1018 | 1030 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Sextillion | 1021 | 1036 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Septillion | 1024 | 1042 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Octillion | 1027 | 1048 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Nonillion | 1030 | 1054 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Decillion | 1033 | 1060 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Undecillion | 1036 | 1066 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Duodecillion | 1039 | 1072 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Tredecillion | 1042 | 1078 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Quattuordecillion | 1045 | 1084 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Quindecillion | 1048 | 1090 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Sexdecillion | 1051 | 1096 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Septendecillion | 1054 | 10102 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Octodecillion | 1057 | 10108 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Novemdecillion | 1060 | 10114 | ✓ | ✓ | ✓ | ✓ | ✓ | ||||
Vigintillion | 1063 | 10120 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Centillion | 10303 | 10600 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
除了“million”(百万)以外,这个列表中的每个以“-illion”结尾的字,都是透过加入首码(来自拉丁文的bi-、tri-等等)结合词干“-illion”产生的派生字。[10]“Centillion”似乎是这些字典里以“-illion”作结尾的最大数名。[11] “Trigintillion”虽然经常在讨论大数名称被引用作为一个单字,但并未出现在上述任何字典里;而利用它所创造的更长大数名称也一样(例如 unvigintillion、duovigintillion、duoquinquagintillion 等等)。
名称 | 值 | 权威性 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
AHD4 | CED | COD | OED2 | OEDnew | RHD2 | SOED3 | W3 | UM | ||
Googol | 10100 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Googolplex | 10googol(1010100) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Googolplexian | 10googolplex | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
所有的字典都有收录 googol(古戈尔)和 googolplex(古戈尔普勒克斯),一般归功于卡司尼尔和纽曼的书和卡司尼尔的侄子。在古戈尔家族(googolduplex等等),没有比他们更高的名称。根据《牛津英语词典》的记载,googol、googolplex 和googolplexian是“不在正式的数学使用”的词文。此外,还有googolplexianth等。
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