Number Theory

    

A Sequence of Numbers Created Concatenating the Digit 1 Twice with a Prime of the Form 6k-1

Authors: Marius Coman

In this paper I show an interesting sequence of numbers created concatenating to the right the digit 1, twice, with a prime of the form 6*k – 1 (example of such numbers, terms of this sequence: 12929 and 15353), sequence that has, from the first 50 terms, 21 terms that are primes and 22 that are semiprimes.

Comments: 2 Pages.

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Submission history

[v1] 2016-03-04 15:25:15

Unique-IP document downloads: 142 times

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