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6 (six) is the natural number following 5 and preceding 7. It is a composite number and the smallest perfect number. In mathematics Six is the smallest positive integer which is neither a square number nor a prime number; it is the second smallest composite number, behind 4; its proper divisors are , and . Since 6 equals the sum of its proper divisors, it is a perfect number; 6 is the smallest of the perfect numbers. It is also the smallest Granville number, or \mathcal-perfect number. As a perfect number: *6 is related to the Mersenne prime 3, since . (The next perfect number is 28.) *6 is the only even perfect number that is not the sum of successive odd cubes. *6 is the root of the 6-aliquot tree, and is itself the aliquot sum of only one other number; the square number, . Six is the only number that is both the sum and the product of three consecutive positive numbers. Unrelated to 6's being a perfect number, a Golomb ruler of length 6 is a "perfect ruler". Six is a con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prime Number
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways of writing it as a product, or , involve 5 itself. However, 4 is composite because it is a product (2 × 2) in which both numbers are smaller than 4. Primes are central in number theory because of the fundamental theorem of arithmetic: every natural number greater than 1 is either a prime itself or can be factorized as a product of primes that is unique up to their order. The property of being prime is called primality. A simple but slow method of checking the primality of a given number n, called trial division, tests whether n is a multiple of any integer between 2 and \sqrt. Faster algorithms include the Miller–Rabin primality test, which is fast but has a small chance of error, and the AKS primality test, which always pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bengali Language
Bengali ( ), generally known by its endonym Bangla (, ), is an Indo-Aryan languages, Indo-Aryan language native to the Bengal region of South Asia. It is the official, national, and most widely spoken language of Bangladesh and the second most widely spoken of the 22 scheduled languages of India. With approximately 300 million native speakers and another 37 million as second language speakers, Bengali is the List of languages by number of native speakers, fifth most-spoken native language and the List of languages by total number of speakers, seventh most spoken language by total number of speakers in the world. Bengali is the fifth most spoken Indo-European language. Bengali is the official language, official and national language of Bangladesh, with 98% of Bangladeshis using Bengali as their first language. Within India, Bengali is the official language of the states of West Bengal, Tripura and the Barak Valley region of the state of Assam. It is also a second official lan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sindhi Language
Sindhi ( ; , ) is an Indo-Aryan language spoken by about 30 million people in the Pakistani province of Sindh, where it has official status. It is also spoken by a further 1.7 million people in India, where it is a Scheduled languages of India, scheduled language, without any state-level official status. The main writing system is the Perso-Arabic script, which accounts for the majority of the Sindhi literature and is the only one currently used in Pakistan. In India, both the Perso-Arabic script and Devanagari are used. Sindhi has an attested history from the 10th century CE. Sindhi was one of the first languages of South Asia to encounter influence from Persian language, Persian and Arabic following the Umayyad campaigns in India, Umayyad conquest in 712 CE. A substantial body of Sindhi literature developed during the Medieval period, the most famous of which is the religious and mystic poetry of Shah Abdul Latif Bhittai from the 18th century. Modern Sindhi was promoted under ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persian Language
Persian (), also known by its endonym Farsi (, ', ), is a Western Iranian language belonging to the Iranian branch of the Indo-Iranian subdivision of the Indo-European languages. Persian is a pluricentric language predominantly spoken and used officially within Iran, Afghanistan, and Tajikistan in three mutually intelligible standard varieties, namely Iranian Persian (officially known as ''Persian''), Dari Persian (officially known as ''Dari'' since 1964) and Tajiki Persian (officially known as ''Tajik'' since 1999).Siddikzoda, S. "Tajik Language: Farsi or not Farsi?" in ''Media Insight Central Asia #27'', August 2002. It is also spoken natively in the Tajik variety by a significant population within Uzbekistan, as well as within other regions with a Persianate history in the cultural sphere of Greater Iran. It is written officially within Iran and Afghanistan in the Persian alphabet, a derivation of the Arabic script, and within Tajikistan in the Tajik alphabet, a der ... [...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] |
Mersenne Prime
In mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form for some integer . They are named after Marin Mersenne, a French Minim friar, who studied them in the early 17th century. If is a composite number then so is . Therefore, an equivalent definition of the Mersenne primes is that they are the prime numbers of the form for some prime . The exponents which give Mersenne primes are 2, 3, 5, 7, 13, 17, 19, 31, ... and the resulting Mersenne primes are 3, 7, 31, 127, 8191, 131071, 524287, 2147483647, ... . Numbers of the form without the primality requirement may be called Mersenne numbers. Sometimes, however, Mersenne numbers are defined to have the additional requirement that be prime. The smallest composite Mersenne number with prime exponent ''n'' is . Mersenne primes were studied in antiquity because of their close connection to perfect numbers: the Euclid–Euler theorem as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saraiki Language
Saraiki ( '; also spelt Siraiki, or Seraiki) is an Indo-Aryan language of the Lahnda group, spoken by 26 million people primarily in the south-western half of the province of Punjab in Pakistan. It was previously known as Multani, after its main dialect. Saraiki has partial mutual intelligibility with Standard Punjabi, and it shares with it a large portion of its vocabulary and morphology. At the same time in its phonology it is radically different (particularly in the lack of tones, the preservation of the voiced aspirates and the development of implosive consonants), and has important grammatical features in common with the Sindhi language spoken to the south. The Saraiki language identity arose in the 1960s, encompassing more narrow local earlier identities (like Multani, Derawi or Riasati), and distinguishing itself from broader ones like that of Punjabi. Name The present extent of the meaning of ' is a recent development, and the term most probably gained its curr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hebrew (language)
Hebrew (; ; ) is a Northwest Semitic language of the Afroasiatic language family. Historically, it is one of the spoken languages of the Israelites and their longest-surviving descendants, the Jews and Samaritans. It was largely preserved throughout history as the main liturgical language of Judaism (since the Second Temple period) and Samaritanism. Hebrew is the only Canaanite language still spoken today, and serves as the only truly successful example of a dead language that has been revived. It is also one of only two Northwest Semitic languages still in use, with the other being Aramaic. The earliest examples of written Paleo-Hebrew date back to the 10th century BCE. Nearly all of the Hebrew Bible is written in Biblical Hebrew, with much of its present form in the dialect that scholars believe flourished around the 6th century BCE, during the time of the Babylonian captivity. For this reason, Hebrew has been referred to by Jews as '' Lashon Hakodesh'' (, ) since an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural Number
In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country"). Numbers used for counting are called ''Cardinal number, cardinal numbers'', and numbers used for ordering are called ''Ordinal number, ordinal numbers''. Natural numbers are sometimes used as labels, known as ''nominal numbers'', having none of the properties of numbers in a mathematical sense (e.g. sports Number (sports), jersey numbers). Some definitions, including the standard ISO/IEC 80000, ISO 80000-2, begin the natural numbers with , corresponding to the non-negative integers , whereas others start with , corresponding to the positive integers Texts that exclude zero from the natural numbers sometimes refer to the natural numbers together with zero as the whole numbers, while in other writings, that term is used instead for the integers (including negative integers). The natural ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central Kurdish
Central Kurdish (), also called Sorani (), is a Kurdish dialect or a language that is spoken in Iraq, mainly in Iraqi Kurdistan, as well as the provinces of Kurdistan, Kermanshah, and West Azerbaijan in western Iran. Sorani is one of the two official languages of Iraq, along with Arabic, and is in administrative documents simply referred to as "Kurdish". The term Sorani, named after the former Soran Emirate, is used especially to refer to a written, standardized form of Central Kurdish written in the Sorani alphabet developed from the Arabic alphabet in the 1920s by Sa'ed Sidqi Kaban and Taufiq Wahby. History Tracing back the historical changes that Sorani has gone through is difficult. No predecessors of Kurdish are yet known from Old and Middle Iranian times. The extant Kurdish texts may be traced back to no earlier than the 16th century CE. Sorani originates from the Sulaymaniyah region. 1700s-1918 The oldest written literature in Sorani is reported to have been ''Mahdî ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telugu Language
Telugu (; , ) is a Dravidian language spoken by Telugu people predominantly living in the Indian states of Andhra Pradesh and Telangana, where it is also the official language. It is the most widely spoken member of the Dravidian language family and one of the twenty-two scheduled languages of the Republic of India. It is one of the few languages that has primary official status in more than one Indian state, alongside Hindi and Bengali. Telugu is one of six languages designated as a classical language (of India) by the Government of India. Telugu is also a linguistic minority in the states of Karnataka, Tamil Nadu, Maharashtra, Gujarat, Chhattisgarh, Orissa, West Bengal, and the union territories of Puducherry and Andaman and Nicobar Islands. It is also spoken by members of the Telugu diaspora spread across countries like United States, Australia, United Kingdom, Canada, New Zealand in the Anglosphere; Myanmar, Malaysia, South Africa, Mauritius; and the Arabian Gulf count ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malayalam Numerals
Malayalam numerals are the numeral system of the Malayalam script used by Malayalam in Kerala. It is one of several Indian numeral systems. This system is archaic and nowadays the Hindu–Arabic numeral system The Hindu–Arabic numeral system or Indo-Arabic numeral system Audun HolmeGeometry: Our Cultural Heritage 2000 (also called the Hindu numeral system or Arabic numeral system) is a positional decimal numeral system, and is the most common syste ... is used commonly. However it is still found in the Malayalam Bible denoting the chapters. Base numbers Below is a list of Malayalam numerals with their Hindu–Arabic equivalents as well as their respective Malayalam translations and transliterations. Originally, a number like "11" would have been written as "൰൧" and not "൧൧" to match the Malayalam word for 11 and "10,00,000" as "൰൱൲" similar to the Tamil numeral system. Later on this system got reformed to be more similar to the Hindu–Arabic numerals so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
