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What is the predicted date and time? Anna Frodesiak ( talk) 11:37, 23 October 2015 (UTC)
Might be a dumb question, but what is the lag time between the number counter on the main page and the actual number of articles...? Cas Liber ( talk · contribs) 01:29, 29 October 2015 (UTC)
See: WP:Five million articles -- ToE 15:31, 1 November 2015 (UTC)
Here is a table based on my 20:42 UTC readings (because that was when I took the first one), with the prediction disregarding any time-of-day variations (which are likely significant) in article creation (and deletion) activity. -- ToE 13:03, 27 October 2015 (UTC)
Date (20:42 UTC) |
Article count | Increase during preceding day |
Average increase per day |
Prediction base on average daily rate |
---|---|---|---|---|
Friday, 23 Oct | 4,994,044 | - | - | - |
Saturday, 24 Oct | 4,994,668 | 624 | 624.00 | Monday, 2 Nov, 09:47 UTC |
Sunday, 25 Oct | 4,995,303 | 635 | 629.50 | Monday, 2 Nov, 07:47 UTC |
Monday, 26 Oct | 4,996,010 | 707 | 655.33 | Sunday, 1 Nov, 22:49 UTC |
Tuesday, 27 Oct | 4,996,623 | 613 | 644.75 | Monday, 2 Nov, 02:24 UTC |
Wednesday, 28 Oct | 4,997,298 | 675 | 650.80 | Monday, 2 Nov, 00:21 UTC |
Thursday, 29 Oct | 4,997,985 | 687 | 656.83 | Sunday, 1 Nov, 22:20 UTC |
Friday, 30 Oct | 4,998,430 | 445 | 626.57 | Monday, 2 Nov, 08:50 UTC |
Saturday, 31 Oct | 4,999,180 | 750 | 642.00 | Monday, 2 Nov, 03:21 UTC |
Sunday, 1 Nov | 5,000,582 | 1402 | 726.44 | - |
Currently: 6,846,736 articles as of 06:57, Saturday, July 6, 2024 ( UTC) ( ).
The five millionth article, Persoonia terminalis (a botanical stub) was created by User:Casliber at 12:27, Sunday, 1 November (UTC).
There were at least 66 articles created between 12:27:00 (4,999,969 articles) and 12:28:00 (5,000,035 articles).
I only have a minute by minute log of the article count, so I don't know the specific deletion and creation rates, but can only see the net difference. I had planned on shifting my logging over to second by second, but the rollover caught me by surprise as I hadn't expected the creation rate to grow substantially until the count was closer to the milestone.
Casliber has long been a prolific creator of natural history stubs (primarily for biology and astronomy articles) and created 106 botany stubs today between 11:46 (article count = 4,999,749 @ 11:46:00) and 13:08 (article count = 5,000,170 @ 13:09:00), with Persoonia terminalis being the fifth of the six stubs they created at 12:27. -- ToE 14:41, 1 November 2015 (UTC)
Hourly growth rate
Module:Chart does not display negative net growth rate bars (where there were more deletions than creations during the hour).
The Sunday 12h bar indicates that there was a net increase of 362 articles between 12:00:00 and 13:00:00.
-- ToE 16:18, 1 November 2015 (UTC)
Per-minute growth rate
The 1227 bar represents the net increase of 66 articles between 12:27:00 and 12:28:00.
-- ToE 17:02, 1 November 2015 (UTC)
Any formula anyone has for the following kind of number:
The sum of proper divisors of n is k*n, where k is a non-negative integer.
For k = 0, the only possible n is 1.
For k = 1, we have perfect numbers; starting with 6, 28, 496, 8128, 33550336, and 8589869056.
For k = 2, 120 is the smallest number that meets this criterion. That is, the sum of all proper divisors of 120 (1+2+3+4+5+6+8+10+12+15+20+24+30+40+60) is 240, or 2 times 120.
What's the smallest solution for k = 3?? How about k = 4?? Georgia guy ( talk) 23:13, 23 October 2015 (UTC)
Mathematics desk | ||
---|---|---|
< October 22 | << Sep | October | Nov >> | Current desk > |
Welcome to the Wikipedia Mathematics Reference Desk Archives |
---|
The page you are currently viewing is an archive page. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages. |
What is the predicted date and time? Anna Frodesiak ( talk) 11:37, 23 October 2015 (UTC)
Might be a dumb question, but what is the lag time between the number counter on the main page and the actual number of articles...? Cas Liber ( talk · contribs) 01:29, 29 October 2015 (UTC)
See: WP:Five million articles -- ToE 15:31, 1 November 2015 (UTC)
Here is a table based on my 20:42 UTC readings (because that was when I took the first one), with the prediction disregarding any time-of-day variations (which are likely significant) in article creation (and deletion) activity. -- ToE 13:03, 27 October 2015 (UTC)
Date (20:42 UTC) |
Article count | Increase during preceding day |
Average increase per day |
Prediction base on average daily rate |
---|---|---|---|---|
Friday, 23 Oct | 4,994,044 | - | - | - |
Saturday, 24 Oct | 4,994,668 | 624 | 624.00 | Monday, 2 Nov, 09:47 UTC |
Sunday, 25 Oct | 4,995,303 | 635 | 629.50 | Monday, 2 Nov, 07:47 UTC |
Monday, 26 Oct | 4,996,010 | 707 | 655.33 | Sunday, 1 Nov, 22:49 UTC |
Tuesday, 27 Oct | 4,996,623 | 613 | 644.75 | Monday, 2 Nov, 02:24 UTC |
Wednesday, 28 Oct | 4,997,298 | 675 | 650.80 | Monday, 2 Nov, 00:21 UTC |
Thursday, 29 Oct | 4,997,985 | 687 | 656.83 | Sunday, 1 Nov, 22:20 UTC |
Friday, 30 Oct | 4,998,430 | 445 | 626.57 | Monday, 2 Nov, 08:50 UTC |
Saturday, 31 Oct | 4,999,180 | 750 | 642.00 | Monday, 2 Nov, 03:21 UTC |
Sunday, 1 Nov | 5,000,582 | 1402 | 726.44 | - |
Currently: 6,846,736 articles as of 06:57, Saturday, July 6, 2024 ( UTC) ( ).
The five millionth article, Persoonia terminalis (a botanical stub) was created by User:Casliber at 12:27, Sunday, 1 November (UTC).
There were at least 66 articles created between 12:27:00 (4,999,969 articles) and 12:28:00 (5,000,035 articles).
I only have a minute by minute log of the article count, so I don't know the specific deletion and creation rates, but can only see the net difference. I had planned on shifting my logging over to second by second, but the rollover caught me by surprise as I hadn't expected the creation rate to grow substantially until the count was closer to the milestone.
Casliber has long been a prolific creator of natural history stubs (primarily for biology and astronomy articles) and created 106 botany stubs today between 11:46 (article count = 4,999,749 @ 11:46:00) and 13:08 (article count = 5,000,170 @ 13:09:00), with Persoonia terminalis being the fifth of the six stubs they created at 12:27. -- ToE 14:41, 1 November 2015 (UTC)
Hourly growth rate
Module:Chart does not display negative net growth rate bars (where there were more deletions than creations during the hour).
The Sunday 12h bar indicates that there was a net increase of 362 articles between 12:00:00 and 13:00:00.
-- ToE 16:18, 1 November 2015 (UTC)
Per-minute growth rate
The 1227 bar represents the net increase of 66 articles between 12:27:00 and 12:28:00.
-- ToE 17:02, 1 November 2015 (UTC)
Any formula anyone has for the following kind of number:
The sum of proper divisors of n is k*n, where k is a non-negative integer.
For k = 0, the only possible n is 1.
For k = 1, we have perfect numbers; starting with 6, 28, 496, 8128, 33550336, and 8589869056.
For k = 2, 120 is the smallest number that meets this criterion. That is, the sum of all proper divisors of 120 (1+2+3+4+5+6+8+10+12+15+20+24+30+40+60) is 240, or 2 times 120.
What's the smallest solution for k = 3?? How about k = 4?? Georgia guy ( talk) 23:13, 23 October 2015 (UTC)