Number Theory

   

Primes Obtained Concatenating with 1 to the Left the Terms of Two Back Concatenated “multiples of 3” Sequences

Authors: Marius Coman

In this paper I state the following two conjectures: (I) there exist an infinity of primes p obtained concatenating to the left with 1 the terms of back concatenated “multiples of 3” sequence (defined as the sequence obtained through the concatenation of multiples of 3, in reverse order); such prime is, for example, 13330272421181512963; (II) there exist an infinity of primes p obtained concatenating to the left with 1 the terms of back concatenated “odd multiples of 3” sequence (defined as the sequence obtained through the concatenation of odd multiples of 3, in reverse order); such prime is, for example, 145393327211593.

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Submission history

[v1] 2016-04-10 06:06:04

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