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Sometimes, a generalized Cullen number base b is defined to be a number of the form n·b n + 1, where n + 2 > b; if a prime can be written in this form, it is then called a generalized Cullen prime. Woodall numbers are sometimes called Cullen numbers of the second kind. [2] As of October 2021, the largest known generalized Cullen prime is ...
141 is: a centered pentagonal number. [1] the sum of the sums of the divisors of the first 13 positive integers. [2] the second n to give a prime Cullen number (of the form n2 n + 1). [3] an undulating number in base 10, with the previous being 131, and the next being 151. the sixth hendecagonal (11-gonal) number. [4]
A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem , there are an infinite number of prime numbers. Subsets of the prime numbers may be generated with various formulas for primes .
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
Under his leadership, the county's investment earnings exceeded $270 million last year, according to Cullen's press release. Contact Vanessa Swales at 414-308-5881 or at vswales@gannett.com ...
Plot of the number of divisors of integers from 1 to 1000. Highly composite numbers are in bold and superior highly composite numbers are starred. ... 141: 1, 3, 47 ...
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