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11 is a prime number, and a super-prime. 11 forms a twin prime with 13, [6] and sexy pair with 5 and 17. The first prime exponent that does not yield a Mersenne prime is 11. 11 is part of a pair of Brown numbers. Only three such pairs of numbers are known. [citation needed] Rows in Pascal's triangle can be seen as representation of powers of 11 ...
Klauber's 1932 paper describes a triangle in which row n contains the numbers (n − 1) 2 + 1 through n 2. As in the Ulam spiral, quadratic polynomials generate numbers that lie in straight lines. Vertical lines correspond to numbers of the form k 2 − k + M. Vertical and diagonal lines with a high density of prime numbers are evident in the ...
In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted F n . Many writers begin the sequence with 0 and 1, although some authors start it from 1 and 1 [1] [2] and some (as did Fibonacci) from ...
12 (twelve) is the natural number following 11 and preceding 13.. Twelve is the 3rd superior highly composite number, [1] the 3rd colossally abundant number, [2] the 5th highly composite number, and is divisible by the numbers from 1 to 4, and 6, a large number of divisors comparatively.
In November 2018, the company paid $11.3 million to settle a complaint that Post Properties violated the design and construction requirements under the Fair Housing Act and the Americans with Disabilities Act at 50 properties. [8]
Numbers very close to, but below one are often expressed in "nines" (N – not to be confused with the unit newton), that is in the number of nines following the decimal separator in writing the number in question. For example, "three nines" or "3N" indicates 0.999 or 99.9%, "four nines five" or "4N5" is the expression for the number 0.99995 or ...
Guide numbers may be expressed in either of these units of measure: f‑number⋅meters or f‑number⋅feet. Throughout most of the world where the metric system ( SI ) is observed, guide numbers are expressed as a unitless numeric value like 34 , even though they are technically a composite unit of measure that is a two- factor product : f ...
The 11.3×36mmR (commonly referred to as "11mm Montenegrin") is a rimmed revolver and carbine cartridge developed by Austria-Hungary.Though originally designed for the Früwirth M1872 Repetiergewehr, it was also used with the Gasser M1870 revolver.