Recognizing high-reputation members on Physics Forums

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Just for fun: type 'interesting numbers' into your favorite search engine.

Plenty of options for losing a whole bunch of time :)

--diogenesNY
 
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It seems that everybody who ever dealt with number theory has their own number:
Catalan, Fermat, Mersenne, Wilson, Smith, Waring, Euler, Khinchin, Frans´en, Robinson, Feigenbaum, Fibonacci, Golay, Goldbach, Kaprekar, Carmichael, Giuga, Wieferich, Münchhausen, Wolstenholme, Sierpinski, Cataldi, Ramanujan, Lucas, Riesel, Beaver, Hurwitz, Selfridge, Gillies, Cullen, and so on, and even this strange mathematician called Mirp has numbers.

I want my number, too!
 
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I've got your number.
 
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mfb said:
Hey, it's not my fault that 7583545425224273734+752373354421262623 is so large.

PS: This is likely the first time anyone ever considered this specific number. I made it far more interesting than before.
I think I understand the interest in the first term in the addition but fail to grasp the second. I almost get it but the second exponent does not pattern for me. Assistance? @WWGD?
 
fresh_42 said:
It seems that everybody who ever dealt with number theory has their own number:
Catalan, Fermat, Mersenne, Wilson, Smith, Waring, Euler, Khinchin, Frans´en, Robinson, Feigenbaum, Fibonacci, Golay, Goldbach, Kaprekar, Carmichael, Giuga, Wieferich, Münchhausen, Wolstenholme, Sierpinski, Cataldi, Ramanujan, Lucas, Riesel, Beaver, Hurwitz, Selfridge, Gillies, Cullen, and so on, and even this strange mathematician called Mirp has numbers.

I want my number, too!
From contemporary correspondence and reports, despite frère Marin's prodigious accomplishments and standing in the science community, le Père Mersenne remained a humble person.

One can imagine his mirthful reaction to learn a sequence of prime numbers of the form Mn = (2n − 1) carries his name.
 
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This is one for high posters : 4294967217. I remember it because I did a small presentation for a number theory seminar in undergrad.

## 4294967297 = 2^{32} +1 = 2^{2^5}+1 =(641)(6700417) ##

I think it is the smallest counter that ## 2^{2^n} +1 ## is always prime. From Euler, IIRC; a real

"Tour de France" ( Tour de Force)".

So, what do you say, @mfb , @berkeman and other high posters? ;).
 
Sadly we can only list some of the countable numbers before our time is up but there are innumerable others that we can’t.
 
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Klystron said:
I think I understand the interest in the first term in the addition but fail to grasp the second. I almost get it but the second exponent does not pattern for me. Assistance? @WWGD?
That's surprising given that all four numbers are the result of number-mashing on the keyboard.

@vanhees71 reached 8000 likes!
 
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mfb said:
That's surprising given that all four numbers are the result of number-mashing on the keyboard.

@vanhees71 reached 8000 likes!
Ha, I mean LOL. Sarcasm, never a strong point, escapes me more and more with age.

@vanhees71 writes excellent physics with concise math. I particularly enjoy the instructive exchanges with our resident Bohmians. Hopefully, I contributed many likes.
 
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WWGD said:
This is one for high posters : 4294967217. I remember it because I did a small presentation for a number theory seminar in undergrad.

## 4294967297 = 2^{32} +1 = 2^{2^5}+1 =(641)(6700417) ##

I think it is the smallest counter that ## 2^{2^n} +1 ## is always prime. From Euler, IIRC; a real

"Tour de France" ( Tour de Force)".

So, what do you say, @mfb , @berkeman and other high posters? ;).
Sorry about this; it is bizarre. I have no clue what point I was trying to make here.
 
WWGD said:
Sorry about this; it is bizarre. I have no clue what point I was trying to make here.
Uh huh. I've TOLD you about late night drinking and posting !
 
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Here's a nice 3 here.
Capture.JPG
 
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@Ibix broke the 3:1 ratio shown above. Do I need to make 6 posts quickly now?

@Dale reached 8000 likes!
And phinds will join, soon.
 
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mfb said:
@Ibix broke the 3:1 ratio shown above. Do I need to make 6 posts quickly now?

@Dale reached 8000 likes!
And phinds will join, soon.
I gave you an extra one so that you can do 9 more without upvotes and still preserve the ratio.
 
How about a bar graph distribution plot of Likes vs Posts and/or Likes per user? Probably a semi-log or log-log scale needed.
 
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Would probably need database access (@Greg Bernhardt ?), but the awards give some data points. First 10 taken from the most likes page.

Still no trophy beyond 8000.

likes.png
 
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mfb said:
Still no trophy beyond 8000.
😥
 
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:bow: Greg added one for 12,000. Currently three users, V50 will likely be the fourth.

We learned that 1400 trophy points is still a PF singularity.
 
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