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 Showing results 1 to 25 of 1000 Search took 0.20 seconds. Search: Posts Made By: sweety439
 Forum: sweety439 2021-09-26, 03:38 Replies: 36 Views: 4,594 Posted By sweety439 program files updated program files updated
 Forum: sweety439 2021-09-26, 03:35 Replies: 36 Views: 4,594 Posted By sweety439 The readme text files for these programs The readme text files for these programs
 Forum: sweety439 2021-09-23, 08:02 Replies: 1,249 Views: 79,846 Posted By sweety439 Formulas: CRUS Riesel problems: k*b^n-1 ... Formulas: CRUS Riesel problems: k*b^n-1 Riesel problems in this project: (k*b^n-1)/gcd(k-1,b-1) CRUS Sierpinski problems: k*b^n+1 Sierpinski problems in this project: (k*b^n+1)/gcd(k+1,b-1)
 Forum: sweety439 2021-09-23, 07:58 Replies: 1,249 Views: 79,846 Posted By sweety439 The CK for bases b<=2500 and b=2^r with r<=16:... The CK for bases b<=2500 and b=2^r with r<=16: Riesel (https://raw.githubusercontent.com/xayahrainie4793/Extended-Sierpinski-Riesel-conjectures/master/Riesel%20CK%20for%20bases%20up%20to%202048.txt)...
 Forum: sweety439 2021-09-23, 07:28 Replies: 392 Views: 26,542 Posted By sweety439 When I input this file (with "digraph") to... When I input this file (with "digraph") to Graphviz, it turns off, this file may be too big.
 Forum: sweety439 2021-09-22, 20:04 Replies: 185 Views: 18,006 Posted By sweety439 You can help me to completely solve bases 7, 9,... You can help me to completely solve bases 7, 9, and 11 through 36, I think that my data for base 7 is complete, but I cannot prove this.
 Forum: sweety439 2021-09-22, 20:00 Replies: 185 Views: 18,006 Posted By sweety439 I have a conjecture in my article: every x{y}z... I have a conjecture in my article: every x{y}z (i.e. xyyy...yyyz) simple family in every base b (the algebraic form is (a*b^n+c)/gcd(a+c,b-1) with fixed integers a>=1, b>=2, c != 0, gcd(a,c) = 1,...
 Forum: sweety439 2021-09-20, 18:54 Replies: 185 Views: 18,006 Posted By sweety439 upload the text file for the proof for bases 2,... upload the text file for the proof for bases 2, 3, 4, 5, 6, 8, 10, 12
 Forum: sweety439 2021-09-20, 15:52 Replies: 185 Views: 18,006 Posted By sweety439 I have a project: To find and proof all minimal... I have a project: To find and proof all minimal primes (start with b+1) in bases 2<=b<=36, this text file is the current data, only bases 2, 3, 4, 5, 6, 8, 10, 12 were solved. You can see my...
 Forum: sweety439 2021-09-20, 03:10 Replies: 185 Views: 18,006 Posted By sweety439 Newest condensed table for bases 2<=b<=16: ... Newest condensed table for bases 2<=b<=16: b number of minimal primes base b base-b form of largest known minimal prime base b length of largest known minimal prime base b algebraic ((a*bn+c)/d)...
 Forum: sweety439 2021-09-18, 18:16 Replies: 392 Views: 26,542 Posted By sweety439 larger data for reduced classes, up to p=150000 larger data for reduced classes, up to p=150000
 Forum: sweety439 2021-09-18, 17:59 Replies: 392 Views: 26,542 Posted By sweety439 reduced the classes of primes: ... reduced the classes of primes: left/right-truncatable primes: the single digit number not need to be prime minimal primes: may contain primes <= base as subsequence permutable/circular primes:...
 Forum: sweety439 2021-09-18, 16:59 Replies: 392 Views: 26,542 Posted By sweety439 larger data, up to p=150000 larger data, up to p=150000
 Forum: sweety439 2021-09-18, 16:13 Replies: 392 Views: 26,542 Posted By sweety439 Related: https://oeis.org/A016026 (least base... Related: https://oeis.org/A016026 (least base such that n is palindromic), https://oeis.org/A065437 (least base such that p is palindromic prime), https://oeis.org/A059711 (least base such that n is...
 Forum: Riesel Prime Search 2021-09-15, 07:15 Replies: 273 Views: 47,349 Posted By sweety439 https://primes.utm.edu/primes/status.php id... https://primes.utm.edu/primes/status.php id 132704 and 132705 are palindromes.
 Forum: sweety439 2021-09-11, 03:24 Replies: 392 Views: 26,542 Posted By sweety439 Reference: Mersenne-Fermat primes... Reference: Mersenne-Fermat primes (https://archive.ph/20120529014233/http://staff.spd.dcu.ie/johnbcos/fermat6.htm), we can also consider generalized Mersenne-Fermat primes base b, the generalized...
 Forum: sweety439 2021-09-11, 03:18 Replies: 392 Views: 26,542 Posted By sweety439 List of generalized Saouter primes (i.e. primes... List of generalized Saouter primes (i.e. primes of the form (b^(2*3^n)+b^(3^n)+1)/gcd(b-1,3)) in bases 2<=b<=1024 Compare: List of generalized Fermat primes (i.e. primes of the form...
 Forum: sweety439 2021-09-10, 05:37 Replies: 185 Views: 18,006 Posted By sweety439 Newest data (minimal primes (start with b+1) up... Newest data (minimal primes (start with b+1) up to certain limit) for bases b=17 and b=18
 Forum: Aliquot Sequences 2021-09-10, 05:28 Replies: 11 Views: 9,925 Posted By sweety439 All strong infinity-touchable numbers are... All strong infinity-touchable numbers are infinity-touchable, since for all nonnegative integers n, there are only finitely many positive integers m such that s(m)=n (and the largest such m is at...
 Forum: Factoring 2021-09-10, 00:33 Replies: 427 Views: 74,301 Posted By sweety439 For HP(4), the smallest unsolved base is 13: ... For HP(4), the smallest unsolved base is 13: 2,31 3,67 4,37 5,457 6,79 7,368543395659524076221303587 8,14029
 Forum: Factoring 2021-09-09, 23:43 Replies: 427 Views: 74,301 Posted By sweety439 Here is the PARI/GP code, can calculate home... Here is the PARI/GP code, can calculate home prime for all bases b>=2, just type "home(n,b)" to find the home prime for integer n in base b step(n,b)=my(f=factor(n), v=[]); for(i=1, #f~,...
 Forum: Aliquot Sequences 2021-09-09, 02:48 Replies: 11 Views: 9,925 Posted By sweety439 We define "strong infinity-touchable number" as... We define "strong infinity-touchable number" as nonnegative integer n such that there exist infinitely many nonnegative integers whose Aliquot sequences reach n e.g. all nonnegative integers <52...
 Forum: Aliquot Sequences 2021-09-09, 02:47 Replies: 103 Views: 4,334 Posted By sweety439 There are amicable pairs which cannot be reached... There are amicable pairs which cannot be reached by any aliquot sequence starting from a number that does not belong to this pair, they are listed in the OEIS sequence A238382...
 Forum: sweety439 2021-09-08, 05:55 Replies: 185 Views: 18,006 Posted By sweety439 Some unsolved families are obvious through data... Some unsolved families are obvious through data for minimal primes (start with b+1) base b up to certain limit (https://en.wikiversity.org/wiki/Quasi-minimal_prime) Example 1: 80555551 is minimal...
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