Myriad
Myriad is a classical Greek name for the number 104=10000, or a group of 10000 people etc. It is sometimes used in English as an adjective referring to a large number.
As useful as a name for this number would be (the Hebrew, Chinese, Japanese, and Korean give ten thousand its own name), in English the number 10,000 is simply called "ten thousand", and use "myriad" only to mean "very many". In Hebrew, 10,000 is Revava. In Mandarin, 10,000 is Wan (萬 / 万). In Japanese and Korean, 10,000 is Man (万); 100,000,000 (10,0002) in Japanese is Oku and in Korean is Eok (pronounced awk).
In English numbering system, digits are handled in group of three (in thousands), hence there is no need for the word for 10000. In Asian numbering system, digits are handled in group of four (in myriad), e.g. 30000 is called three myriad in Chinese or Japanese, (30,000 - called San-Man or 3-Man in Japanese). On the contrary but for the same reason, the word million has no place in Chinese or Japanese language. The quantity of million is expressed as hundred myriad i.e. 1,000,000 vs 100 * 10,000.
Modern Greek still uses the myriad, but also uses the million. One million is ekatommyrio (εκατομμύριο); one thousand million is not trismyrio but disekatommyrio (δισεκατομμύριο).
To see how Archimedes of Syracuse used the recursive 'myriad' 'myriad' 'myriad' etc. to count the number of grains of sand on a beach, and hence, the entire universe, read The Sand Reckoner.
See more detailed discussion on Chinese numerals
Referenced By
English-language numerals | English language numerals | Number names | Traditional number system
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