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Forum: Aliquot Sequences 2021-08-03, 07:56
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Drop 413130

Drop 413130
Forum: Aliquot Sequences 2021-07-27, 09:47
Replies: 20
Sticky: Getting started
Views: 19,412
Posted By Drdmitry
I would start with looking at the last term of...

I would start with looking at the last term of sequence 26236 on factordb (http://factordb.com/sequences.php?se=1&aq=26236&action=last20&fr=0&to=100). Then I would go to the blue page...
Forum: Aliquot Sequences 2021-07-27, 05:44
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Reserve 413130

Reserve 413130
Forum: Aliquot Sequences 2021-07-23, 08:46
Replies: 20
Sticky: Getting started
Views: 19,412
Posted By Drdmitry
You can check that 26236:i3 coincides with...

You can check that 26236:i3 coincides with 4800:i7.Therefore the open sequence which started from 26236 is the same as 4800.
Forum: Aliquot Sequences 2021-07-12, 07:43
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Take 583680

Take 583680
Forum: Aliquot Sequences 2021-06-30, 00:38
Replies: 255
Views: 50,608
Posted By Drdmitry
It would be nice to see the statistics: what is...

It would be nice to see the statistics: what is the distribution of aliquot sequences lengths before they reach 20 digits the first time, 30 digits the first time, and so on. My impression is, if we...
Forum: Aliquot Sequences 2021-06-19, 01:52
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Drop 740670

Drop 740670
Forum: Aliquot Sequences 2021-06-12, 01:01
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Reserve 740670

Reserve 740670
Forum: Aliquot Sequences 2021-06-01, 22:55
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Drop 462918

Drop 462918
Forum: Aliquot Sequences 2021-05-24, 23:47
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Drop 216660

Drop 216660
Forum: Aliquot Sequences 2021-05-19, 02:25
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Reserving 462918

Reserving 462918
Forum: Aliquot Sequences 2021-04-27, 01:36
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Take 216660

Take 216660
Forum: Aliquot Sequences 2021-04-21, 06:40
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Drop 489524

Drop 489524
Forum: Aliquot Sequences 2021-04-03, 01:17
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Take 489524

Take 489524
Forum: Factoring 2021-03-08, 01:28
Replies: 18
Views: 3,718
Posted By Drdmitry
I tried to look into the paper I found that it...

I tried to look into the paper I found that it looks more like a draft rather than a finalised paper.
Firstly, after the first submission on 1st of March, a revised version was submitted on 3rd of...
Forum: Aliquot Sequences 2021-03-05, 23:22
Replies: 1,010
Views: 113,468
Posted By Drdmitry
After a long delay of 8 months, a new marge under...

After a long delay of 8 months, a new marge under 1M is found by yafu@home:
377880:i3262 = 21768:i13
Forum: Aliquot Sequences 2021-02-27, 00:44
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Dropping 893304

Dropping 893304
Forum: Aliquot Sequences 2020-12-10, 10:25
Replies: 2
Views: 1,853
Posted By Drdmitry
I did not see a similar search here. However, to...

I did not see a similar search here. However, to tell you the truth, I did not check too deeply.

No problem, I will add, as it does not take much time.
Forum: Aliquot Sequences 2020-12-08, 23:41
Replies: 2
Views: 1,853
Posted By Drdmitry
Small numbers with the longest 2*3 drivers

It is believed that any driver, in particular 2*3 driver, breaks sooner or later. But for how long such a driver can continue unbroken? I searched small numbers with the driver 2*3 for as long driver...
Forum: Aliquot Sequences 2020-07-27, 12:00
Replies: 255
Views: 50,608
Posted By Drdmitry
There are only two aliquot sequences below 100000...

There are only two aliquot sequences below 100000 which never reached 145 digits:
38052 (reserved by Clifford, last update 21.07.2019)
46758 (jacobs and Richard Guy, 25.12.2017)
Both of them look...
Forum: Aliquot Sequences 2020-06-12, 01:09
Replies: 255
Views: 50,608
Posted By Drdmitry
Thumbs up Finally, all aliquot sequences below 1e6 reach...

Finally, all aliquot sequences below 1e6 reach 140 digits at east once. :showoff:

It looks like the next milestone of 150 digits will take very long time.
Forum: Aliquot Sequences 2020-03-31, 01:20
Replies: 255
Views: 50,608
Posted By Drdmitry
As far as I can see, there are only four aliquot...

As far as I can see, there are only four aliquot sequences below 1000000 which never reached 140 digits:
15390 (reserved by yafu@home, last update 31.03.2020),
62820 (Batalov, 27.03.2019),
780576...
Forum: Aliquot Sequences 2020-02-21, 08:32
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Drop 634242

Drop 634242
Forum: Aliquot Sequences 2020-01-27, 22:21
Replies: 3,533
Views: 351,322
Posted By Drdmitry
Taking 634242

Taking 634242
Forum: Aliquot Sequences 2020-01-03, 22:30
Replies: 2,979
Views: 236,708
Posted By Drdmitry
Finally, with 12562 known terms, this sequence...

Finally, with 12562 known terms, this sequence has become the longest sequence below 1e6 for the moment.

However it will be impossible to beat 2005020 without a downdriver.
Showing results 1 to 25 of 253

 
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