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Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers. In English and many other languages, they are used to coin numerous series of words. For example: simplex, duplex (communication in only 1 direction at a time, in 2 directions simultaneously)
Twenty-seven is the cube of 3, or the 2nd tetration of 3: 2 3 = 3 3 = 3 × 3 × 3. It is divisible by the number of prime numbers below it . The first non-trivial decagonal number is 27. [1] 27 has an aliquot sum of 13 [2] (the sixth prime number) in the aliquot sequence (27, 13, 1, 0) of only one composite number, rooted in the 13-aliquot tree ...
Example: "I have twenty-eight grapes." Another common usage is to write out any number that can be expressed as one or two words, and use figures otherwise. Examples: "There are six million dogs." (Preferred) "There are 6,000,000 dogs." "That is one hundred and twenty-five oranges." (British English) "That is one hundred twenty-five oranges."
"A base is a natural number B whose powers (B multiplied by itself some number of times) are specially designated within a numerical system." [1]: 38 The term is not equivalent to radix, as it applies to all numerical notation systems (not just positional ones with a radix) and most systems of spoken numbers. [1]
At times, the names of large numbers have been forced into common usage as a result of hyperinflation. The highest numerical value banknote ever printed was a note for 1 sextillion pengő (10 21 or 1 milliard bilpengő as printed) printed in Hungary in 1946.
The number 2 looks like a duck (see '2') and the number 7 looks like a crutch. Gateway to Heaven Rhymes with "twenty-seven". 28 In a state "Two and eight" is rhyming slang for "state". Overweight Rhymes with "twenty-eight". 29 Rise and shine Rhymes with "twenty-nine". 30 Dirty Gertie [1]
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
Since the greatest prime factor of + = is 157, which is more than 28 twice, 28 is a Størmer number. [3] Twenty-eight is a harmonic divisor number, [4] a happy number, [5] the 7th triangular number, [6] a hexagonal number, [7] a Leyland number of the second kind [8] (), and a centered nonagonal number.