Difference between revisions of "Talk:2046: Trum-"

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Should we mention Andrew Johnson and LBJ, perhaps in a "Trivia" section? Obviously Johnson is a very common surname, but they're still unrelated presidents that share the first (and only) 7 characters of their last name. (Are there other pairs of presidents that share at least the 3 first letters of their surnames besides AJ/LBJ and HST/DJT?)
 
Should we mention Andrew Johnson and LBJ, perhaps in a "Trivia" section? Obviously Johnson is a very common surname, but they're still unrelated presidents that share the first (and only) 7 characters of their last name. (Are there other pairs of presidents that share at least the 3 first letters of their surnames besides AJ/LBJ and HST/DJT?)
 
[[Special:Contributions/172.69.62.160|172.69.62.160]] 16:25, 14 September 2018 (UTC)
 
[[Special:Contributions/172.69.62.160|172.69.62.160]] 16:25, 14 September 2018 (UTC)
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...And, upon reflection, I just realized Harding shares the first 3 letters with the Presidents Harrison, so that's one(?) more example. {{unsigned ip|162.158.186.246}}
 
...And, upon reflection, I just realized Harding shares the first 3 letters with the Presidents Harrison, so that's one(?) more example. {{unsigned ip|162.158.186.246}}
  

Revision as of 18:01, 14 September 2018


This is not that weird. If names were random then it would be a 1 in 26^4 = 456976 chance of a particular president matching another for the first 4, but this is a "Birthday Problem" with 44 presidents, so the probability of any two presidents sharing the first 4 characters is 1-(456976!/(456976^44 (456976 - 44)!)), which wolfram alpha is giving as 0.206% 141.101.99.185 (talk) (please sign your comments with ~~~~)

Yes, but we already "fulfilled our obligation" after the sixth president :) Zachweix (talk) 15:59, 14 September 2018 (UTC)
Q doesn't work because he's related to his father John Adams. The criteria that they be totally unrelated is to restore it to the realm of pure chance. -boB (talk) 17:24, 14 September 2018 (UTC)

An approximation to the correct probability would be to do 44^2/(2 x 26^4) which would give about 0.2% chance of this happening. So fairly weird, but as the comic suggests, many things about this presidency are weirder than 0.2%. 162.158.155.194 (talk) (please sign your comments with ~~~~)

I love that we are now having a mathematical discussion about how weird things are in the presidency. Zachweix (talk) 15:58, 14 September 2018 (UTC)

Should we mention Andrew Johnson and LBJ, perhaps in a "Trivia" section? Obviously Johnson is a very common surname, but they're still unrelated presidents that share the first (and only) 7 characters of their last name. (Are there other pairs of presidents that share at least the 3 first letters of their surnames besides AJ/LBJ and HST/DJT?) 172.69.62.160 16:25, 14 September 2018 (UTC)

...And, upon reflection, I just realized Harding shares the first 3 letters with the Presidents Harrison, so that's one(?) more example. 162.158.186.246 (talk) (please sign your comments with ~~~~)

So we discount Presidents Adams, Bush, Cleveland, Harrison and Rosevelt as being related, or being the same person. We have the following common starts: Bu (3 names), Cl, Ha (3 names), Ta, Har, Trum and Johnson. Also A, B, C, F, G, H, J, M, P, R, T and W. 162.158.154.241 16:49, 14 September 2018 (UTC)

If you count Buren as opposed to Van Buren then you have 4 starting Bu and 2 starting Bur 162.158.155.146 16:52, 14 September 2018 (UTC)

Tyler and Taylor is weirdly close, in a "look elsewhere effect" kind of way. Although the fact that you elected a president whose name means "fart" in British English has got to be weirder. 162.158.155.158 (talk) (please sign your comments with ~~~~)