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  2. Palindromic prime - Wikipedia

    en.wikipedia.org/wiki/Palindromic_prime

    2, 3, 5, 7, 11, 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, … (sequence A002385 in the OEIS) Except for 11, all palindromic primes have an odd number of digits, because the divisibility test for 11 tells us that every palindromic number with an even number of digits is a multiple of 11. It is not known if there ...

  3. Fortunate number - Wikipedia

    en.wikipedia.org/wiki/Fortunate_number

    A Fortunate number, named after Reo Fortune, is the smallest integer m > 1 such that, for a given positive integer n, pn # + m is a prime number, where the primorial pn # is the product of the first n prime numbers. For example, to find the seventh Fortunate number, one would first calculate the product of the first seven primes (2, 3, 5, 7, 11 ...

  4. Prime gap - Wikipedia

    en.wikipedia.org/wiki/Prime_gap

    A prime gap is the difference between two successive prime numbers. The n -th prime gap, denoted gn or g ( pn) is the difference between the ( n + 1)-st and the n -th prime numbers, i.e. We have g1 = 1, g2 = g3 = 2, and g4 = 4. The sequence ( gn) of prime gaps has been extensively studied; however, many questions and conjectures remain unanswered.

  5. Ray J says his new $80 earbuds are ‘amazing’ - AOL

    www.aol.com/ray-j-says-80-earbuds-193222263.html

    While promoting his new Raycon Global earbuds, singer Ray J said its $80 price tag is “so different from what’s... View Article The post Ray J says his new $80 earbuds are ‘amazing ...

  6. Truncatable prime - Wikipedia

    en.wikipedia.org/wiki/Truncatable_prime

    2, 3, 5, 7, 23, 37, 53, 73, 313, 317, 373, 797, 3137, 3797, 739397 (sequence A020994 in the OEIS) A left-truncatable prime is called restricted if all of its left extensions are composite i.e. there is no other left-truncatable prime of which this prime is the left-truncated "tail". Thus 7937 is a restricted left-truncatable prime because the ...

  7. Reykon - Wikipedia

    en.wikipedia.org/wiki/Reykon

    Luisa Castro (2024 -) Children. 1. Andrés Felipe Robledo Londoño (born 12 December 1986), [1] better known as Reykon " El Líder " " Pel mazo ", is a reggaeton performer from Colombia. [2] He is considered one of the biggest proponents of Latin America's reggaeton music genre. [3] He is from Envigado, Antioquia.

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