Deficient number: Revision history

3 March 2024

• curprev 14:5414:54, 3 March 2024 Citation bot talk contribs 4,355 bytes +27 Added doi. | Use this bot. Report bugs. | Suggested by LeapTorchGear | Category:Integer sequences | #UCB_Category 130/220 undo

20 February 2024

• curprev 11:5211:52, 20 February 2024 2804:214:8230:ce62:1:1:14ec:844c talk 4,328 bytes 0 →Examples: Miscorrection undo Tags: Manual revert Mobile edit Mobile web edit
• curprev 11:5111:51, 20 February 2024 2804:214:8230:ce62:1:1:14ec:844c talk 4,328 bytes 0 →Examples: Fixed the example that was showing the incorrect number undo Tags: Reverted Mobile edit Mobile web edit

31 January 2024

• curprev 08:5708:57, 31 January 2024 David Eppstein talk contribs 4,328 bytes −1,160 swap out dubious sources; fix incorrect claim about Nichomachus (he only classified the even numbers, not all numbers) undo

7 December 2023

• curprev 14:5414:54, 7 December 2023 Charlie.cog talk contribs m 5,488 bytes −219 No edit summary undo
• curprev 14:5414:54, 7 December 2023 Charlie.cog talk contribs m 5,707 bytes +2 No edit summary undo
• curprev 14:5214:52, 7 December 2023 Charlie.cog talk contribs m 5,705 bytes +206 No edit summary undo
• curprev 14:5014:50, 7 December 2023 Charlie.cog talk contribs m 5,499 bytes +11 No edit summary undo
• curprev 14:4814:48, 7 December 2023 Charlie.cog talk contribs m 5,488 bytes +165 added citation for the proof pf powers of primes being deficient undo

25 September 2023

• curprev 06:0506:05, 25 September 2023 OlliverWithDoubleL talk contribs m 5,323 bytes +51 links, inline math formatting undo Tags: Mobile edit Mobile app edit iOS app edit

15 July 2023

• curprev 15:3715:37, 15 July 2023 Lambiam talk contribs 5,272 bytes +10 →top: n must be a positive integer undo

13 July 2023

• curprev 14:2414:24, 13 July 2023 180.243.9.91 talk 5,262 bytes −38 No edit summary undo

28 June 2023

• curprev 10:3510:35, 28 June 2023 Dhrm77 talk contribs 5,300 bytes +1 Undid revision 1162224472 by 2A02:C7C:6AC0:E100:541:B9A3:CA3:5D7F (talk) not a typo. undo Tag: Undo

27 June 2023

• curprev 19:3819:38, 27 June 2023 2a02:c7c:6ac0:e100:541:b9a3:ca3:5d7f talk 5,299 bytes −1 Fixed typo undo Tags: Reverted Mobile edit Mobile web edit

10 November 2022

• curprev 19:5719:57, 10 November 2022 Citation bot talk contribs 5,300 bytes −30 Removed parameters. | Use this bot. Report bugs. | Suggested by AManWithNoPlan | #UCB_CommandLine undo

27 July 2022

• curprev 15:5915:59, 27 July 2022 Citation bot talk contribs 5,330 bytes +27 Add: citeseerx. | Use this bot. Report bugs. | Suggested by Smasongarrison | Linked from User:Smasongarrison/sandbox | #UCB_webform_linked 3194/3850 undo

16 June 2022

• curprev 21:4321:43, 16 June 2022 66.96.225.119 talk 5,303 bytes +12 No edit summary undo

3 April 2022

• curprev 08:1008:10, 3 April 2022 JeanPaulNiko talk contribs m 5,291 bytes −7 →Examples undo Tag: Visual edit

6 February 2022

• curprev 20:4420:44, 6 February 2022 Rlink2 talk contribs m 5,298 bytes +165 →Related concepts: Adding web.archive.org links for citations with url-status=live Category:CS1_maint:_url-status undo Tag: AWB

19 December 2021

• curprev 21:3221:32, 19 December 2021 Duckmather talk contribs 5,133 bytes +1,610 added citations undo Tag: Visual edit
• curprev 19:4519:45, 19 December 2021 46.193.65.97 talk 3,523 bytes 0 →Examples undo
• curprev 19:4419:44, 19 December 2021 46.193.65.97 talk 3,523 bytes +4 →Examples undo

8 October 2021

• curprev 04:3804:38, 8 October 2021 PrimeHunter talk contribs m 3,519 bytes −8 fix italics undo

16 June 2021

• curprev 11:1611:16, 16 June 2021 Trolley.813 talk contribs 3,527 bytes +229 →Properties undo Tags: Mobile edit Mobile web edit

23 May 2021

• curprev 01:0101:01, 23 May 2021 2600:1700:87f0:57e0:a710:a5dc:12e:6a79 talk 3,298 bytes +2 →Properties: typo & grammar fix undo

27 February 2021

• curprev 09:5909:59, 27 February 2021 Sunwoo Lim talk contribs 3,296 bytes +90 all powers of two is deficient (1+(1+2+4+8+...+2^(n-1)) = 2+(2+4+8+16+...+2^(n-1)) = ... = 2^n) undo

27 November 2020

• curprev 15:0815:08, 27 November 2020 AnomieBOT talk contribs m 3,206 bytes +38 Dating maintenance tags: {{Cn}} undo
• curprev 14:4814:48, 27 November 2020 JayBeeEll talk contribs 3,168 bytes +27 add one see-also (from edit I reverted earlier) undo
• curprev 14:4614:46, 27 November 2020 JayBeeEll talk contribs 3,141 bytes +38 finish improvements, which included rewriting the lead for proper math grammar (previous edit) and prosifying bulleted list of properties (both edits) undo
• curprev 14:2914:29, 27 November 2020 JayBeeEll talk contribs 3,103 bytes +350 No edit summary undo
• curprev 14:1614:16, 27 November 2020 JayBeeEll talk contribs 2,753 bytes −261 Undid revision 990952170 by Karmstrong909 (talk) redundant undo Tag: Undo
• curprev 14:1514:15, 27 November 2020 JayBeeEll talk contribs 3,014 bytes −125 Undid revision 990953153 by Karmstrong909 (talk) not how referencing or see also should be done here undo Tag: Undo
• curprev 13:2413:24, 27 November 2020 Karmstrong909 talk contribs m 3,139 bytes +125 No edit summary undo Tag: Reverted
• curprev 13:1613:16, 27 November 2020 Karmstrong909 talk contribs m 3,014 bytes +261 No edit summary undo Tag: Reverted

4 November 2020

• curprev 01:0601:06, 4 November 2020 1+1=yes talk contribs 2,753 bytes −360 →Examples: are these links ''really'' necessary? undo Tag: Visual edit

1 September 2020

• curprev 14:1714:17, 1 September 2020 Ganbaruby talk contribs 3,113 bytes +67 Adding local short description: "Number whose aliquot sum is less than itself", overriding Wikidata description "natural integer number for which the sum of its proper strict divisors (other than itself) is less than the number itself" (Shortdesc helper) undo

29 June 2020

• curprev 19:3719:37, 29 June 2020 WurmWoode talk contribs m 3,046 bytes 0 Plural undo

28 September 2019

• curprev 10:5910:59, 28 September 2019 173.230.18.196 talk 3,046 bytes +33 →External links undo

28 June 2019

• curprev 01:4601:46, 28 June 2019 GTrang talk contribs 3,013 bytes +7 Restored the alternative adjective "defective" (adjectives that are also nouns only need to used as adjectives, not repeated as nouns). undo

17 May 2019

• curprev 21:3621:36, 17 May 2019 Cmglee talk contribs 3,006 bytes +48 →Related concepts: Add {{Euler_diagram_numbers_with_many_divisors.svg}} undo

7 October 2018

• curprev 19:1719:17, 7 October 2018 PrimeHunter talk contribs m 2,958 bytes +84 Reverted edits by 98.213.50.177 (talk) to last version by JDAWiseman undo Tag: Rollback
• curprev 18:5818:58, 7 October 2018 98.213.50.177 talk 2,874 bytes −84 No edit summary undo

22 September 2018

• curprev 16:0716:07, 22 September 2018 JDAWiseman talk contribs 2,958 bytes +53 Undid revision 860708717 by 98.213.50.177 (talk) undo Tag: Undo
• curprev 14:3814:38, 22 September 2018 98.213.50.177 talk 2,905 bytes −53 No edit summary undo

26 May 2018

• curprev 23:5223:52, 26 May 2018 73.184.143.114 talk 2,958 bytes +16 →Examples undo

11 January 2018

• curprev 12:5612:56, 11 January 2018 JDAWiseman talk contribs m 2,942 bytes +3 →Related concepts undo

26 September 2017

• curprev 10:0310:03, 26 September 2017 PrimeHunter talk contribs 2,939 bytes 0 Undid revision 802461381 by 158.169.40.5 (talk). 32 = 1+3+7+21 is the sum of all divisors undo
• curprev 08:2208:22, 26 September 2017 158.169.40.5 talk 2,939 bytes 0 →Examples: The number 32 did not correspond with the value for the sum of divisors, which is 11 in the example. undo

15 February 2017

• curprev 17:1917:19, 15 February 2017 1989 talk contribs m 2,939 bytes +497 Reverted 1 edit by 98.127.232.134 identified as test/vandalism using STiki undo
• curprev 16:5016:50, 15 February 2017 98.127.232.134 talk 2,442 bytes −497 No edit summary undo