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Forum: Aliquot Sequences 2021-06-30, 00:38
Replies: 255
Views: 50,420
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 2020-07-27, 12:00
Replies: 255
Views: 50,420
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: 50,420
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: 50,420
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...
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