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62 is: the eighteenth discrete semiprime ( 2 × 31 {\displaystyle 2\times 31} ) and tenth of the form (2.q), where q is a higher prime. with an aliquot sum of 34 ; itself a semiprime , within an aliquot sequence of seven composite numbers (62, 34 , 20 , 22 , 14 , 10 , 8 , 7 , 1 ,0) to the Prime in the 7 -aliquot tree.
A number that has the same number of digits as the number of digits in its prime factorization, including exponents but excluding exponents equal to 1. A046758: Extravagant numbers: 4, 6, 8, 9, 12, 18, 20, 22, 24, 26, 28, 30, 33, 34, 36, 38, ... A number that has fewer digits than the number of digits in its prime factorization (including ...
For example, 15 is a composite number because 15 = 3 · 5, but 7 is a prime number because it cannot be decomposed in this way. If one of the factors is composite, it can in turn be written as a product of smaller factors, for example 60 = 3 · 20 = 3 · (5 · 4) .
The tables contain the prime factorization of the natural numbers from 1 to 1000. When n is a prime number, the prime factorization is just n itself, written in bold below. The number 1 is called a unit. It has no prime factors and is neither prime nor composite.
With 2, 3, and 5 as its prime factors, it is a regular number and the first sphenic number, the smallest of the form , where r is a prime greater than 3. It has an aliquot sum of 42 ; within an aliquot sequence of thirteen composite numbers (30, 42 , 54 , 66 , 78 , 90 , 144 , 259 , 45 , 33 , 15 , 9 , 4 , 3 , 1 , 0) to the Prime in the 3 ...
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For example, in 2025, the wage base limit was set at $176,100. ... He explained there are three numbers to keep in mind: 62 (the earliest age one can start claiming Social Security benefits), 67 ...
Integer factorization is the process of determining which prime numbers divide a given positive integer.Doing this quickly has applications in cryptography.The difficulty depends on both the size and form of the number and its prime factors; it is currently very difficult to factorize large semiprimes (and, indeed, most numbers that have no small factors).