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Forum: Aliquot Sequences 2021-08-09, 11:12
Replies: 256
Views: 52,011
Posted By Drdmitry
Here are several milestones which were recently...

Here are several milestones which were recently (and not so recently) achieved:

All sequences below 1e6 reach 141 digits at least once.
All sequences below 1e5 reach 147 digits at least once. ...
Forum: Aliquot Sequences 2021-08-07, 01:55
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Update 705042 403824 414630 970056 734088 804588...

Update 705042 403824 414630 970056 734088 804588 937842 862692 509736 616836 635160 836160 650250 777712 811410 297808 987150
Forum: Aliquot Sequences 2021-08-03, 07:56
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Drop 413130

Drop 413130
Forum: Aliquot Sequences 2021-07-27, 09:47
Replies: 20
Sticky: Getting started
Views: 19,805
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: 3,576
Views: 361,270
Posted By Drdmitry
Reserve 413130

Reserve 413130
Forum: Aliquot Sequences 2021-07-23, 08:46
Replies: 20
Sticky: Getting started
Views: 19,805
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: 3,576
Views: 361,270
Posted By Drdmitry
Take 583680

Take 583680
Forum: Aliquot Sequences 2021-06-30, 00:38
Replies: 256
Views: 52,011
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: 3,576
Views: 361,270
Posted By Drdmitry
Drop 740670

Drop 740670
Forum: Aliquot Sequences 2021-06-12, 01:01
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Reserve 740670

Reserve 740670
Forum: Aliquot Sequences 2021-06-01, 22:55
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Drop 462918

Drop 462918
Forum: Aliquot Sequences 2021-05-24, 23:47
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Drop 216660

Drop 216660
Forum: Aliquot Sequences 2021-05-19, 02:25
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Reserving 462918

Reserving 462918
Forum: Aliquot Sequences 2021-04-27, 01:36
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Take 216660

Take 216660
Forum: Aliquot Sequences 2021-04-21, 06:40
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Drop 489524

Drop 489524
Forum: Aliquot Sequences 2021-04-03, 01:17
Replies: 3,576
Views: 361,270
Posted By Drdmitry
Take 489524

Take 489524
Forum: Factoring 2021-03-08, 01:28
Replies: 18
Views: 3,915
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: 1,016
Views: 116,895
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: 3,576
Views: 361,270
Posted By Drdmitry
Dropping 893304

Dropping 893304
Forum: Aliquot Sequences 2020-12-10, 10:25
Replies: 2
Views: 1,901
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: 1,901
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: 256
Views: 52,011
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: 256
Views: 52,011
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: 256
Views: 52,011
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: 3,576
Views: 361,270
Posted By Drdmitry
Drop 634242

Drop 634242
Showing results 1 to 25 of 255

 
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