Primary pseudoperfect number: Revision history


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26 January 2024

30 March 2023

18 November 2022

11 August 2021

14 April 2020

20 August 2019

13 June 2019

28 August 2017

23 March 2017

21 March 2017

20 March 2017

19 March 2017

7 May 2016

8 March 2015

30 May 2013

24 May 2012

11 September 2011

27 June 2010

31 May 2008

27 April 2008

8 February 2007

13 January 2007

12 December 2006

4 October 2006

30 September 2006

28 September 2006

27 September 2006