a new Wagstaff prime
Artur
grafix at csl.pl
Fri Jun 20 11:10:40 CEST 2008
A006567 <http://www.research.att.com/%7Enjas/sequences/A006567>+A002385
=A007500
Artur pisze:
>
> Dear Seqfans,
> I have some doubtness with terminology
> A007500 <http://www.research.att.com/%7Enjas/sequences/A007500>
> "Palindromic" primes
> A002385 <http://www.research.att.com/%7Enjas/sequences/A002385>
> Palindromic primes
> Best wishes
> Artur
>
>
> Jonathan Post pisze:
>> Since the digital reversal 191689 is prime, the prime exponent 986191
>> is an emirp.
>>
>> There, I mixed a serious and impressive result with a base sequence
>> that not everyone cares for;)
>>
>> And if you turn that reversal upside-down, you get 689161 = 11 * 31 *
>> 43 * 47 which is a 4-brilliant number. What's that sound? Wagstaff
>> rolling in his grave? Sorry...
>>
>> On 6/19/08, Max Alekseyev <maxale at gmail.com> wrote:
>>
>>> A new Wagstaff (probable) prime has been found: (2^986191+1)/3.
>>> Currently it takes the 4th place in PRP Records:
>>> http://www.primenumbers.net/prptop/prptop.php
>>>
>>> Please update A000978
>>>
>>> Regards,
>>>
>>> Max
>>>
>>>
>>
>> __________ NOD32 Informacje 2701 (20071204) __________
>>
>> Wiadomosc zostala sprawdzona przez System Antywirusowy NOD32
>> http://www.nod32.com lub http://www.nod32.pl
>>
>>
>>
>
> __________ NOD32 Informacje 2701 (20071204) __________
>
> Wiadomosc zostala sprawdzona przez System Antywirusowy NOD32
> http://www.nod32.com lub http://www.nod32.pl
>
>
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