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666 (number)
666 (six hundred ndsixty-six) is the natural number following 665 and preceding 667. In Christianity, 666 is called the " number of the beast" in (most manuscripts of) chapter 13 of the Book of Revelation of the New Testament.Beale, Gregory K. (1999). The Book of Revelation: A Commentary on the Greek Text. Grand Rapids, Michigan: Wm. B. Eerdmans Publishing. p. 718. . Retrieved 9 July 2012. In Mathematics 666 is the sum of the first 36 natural numbers (\sum_^ i, i.e. ), and thus it is a triangular number. Because 36 is also triangular, 666 is a doubly triangular number. Also, ; 15 and 21 are also triangular numbers, and . In base 10, 666 is a repdigit (and therefore a palindromic number) and a Smith number. A prime reciprocal magic square based on 1/149 in base 10 has a magic total of 666. The prime factorization of 666 is 2 ⋅ 32 ⋅ 37. Also, 666 is the sum of the squares of the first seven primes: 2^2 + 3^2 + 5^2 + 7^2 + 11^2 + 13^2 + 17^2 The number of integers whi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chinese Numeral
Chinese numerals are words and characters used to denote numbers in Chinese. Today, speakers of Chinese use three written numeral systems: the system of Arabic numerals used worldwide, and two indigenous systems. The more familiar indigenous system is based on Chinese characters that correspond to numerals in the spoken language. These may be shared with other languages of the Chinese cultural sphere such as Korean, Japanese, and Vietnamese. Most people and institutions in China primarily use the Arabic or mixed Arabic-Chinese systems for convenience, with traditional Chinese numerals used in finance, mainly for writing amounts on cheques, banknotes, some ceremonial occasions, some boxes, and on commercials. The other indigenous system is the Suzhou numerals, or ''huama'', a positional system, the only surviving form of the rod numerals. These were once used by Chinese mathematicians, and later by merchants in Chinese markets, such as those in Hong Kong until the 1990s, but we ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
