Why do we deal with perfect numbers?

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Discussion Overview

The discussion revolves around the significance and relevance of perfect numbers in mathematics and their potential connections to the real world. Participants explore whether these numbers have practical applications or if they are primarily of interest to mathematicians for their own sake.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions the real-world relevance of perfect numbers, suggesting that their occurrence in base 10 may not reflect natural phenomena.
  • Another participant asserts that perfect numbers are unrelated to base 10 and emphasizes that mathematics often focuses on topics of interest to mathematicians.
  • A different viewpoint mentions the historical context of perfect numbers, noting their significance in ancient Greek culture and numerology.
  • Amicable numbers are introduced as a related concept, with a participant providing an example and discussing their historical importance.
  • One participant reflects on their misunderstanding regarding the base of perfect numbers, acknowledging that their properties are independent of numerical base.

Areas of Agreement / Disagreement

Participants express differing views on the relevance and significance of perfect numbers, with no consensus reached regarding their practical applications or importance beyond mathematical interest.

Contextual Notes

Some statements rely on historical perspectives and cultural beliefs, while others highlight a misunderstanding about the relationship between perfect numbers and numerical bases. The discussion does not resolve these nuances.

DyslexicHobo
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Do perfect numbers have any relation to the real world, or any type of use at all?

It seems that they aren't so perfect, just because base 10 doesn't really occur in nature--ever.

Is there any sort of importance of these numbers, or is it just some phenomena that happens that mathematicians like to look at? :P

Thanks for responses. :)
 
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Perfect numbers have nothing to do with base 10. Most mathematics is about what mathematicians like to look at.
 
probably because they occur in euclid.
 
I don't suppose they have any real use, but the Greeks gave them importance and were believers in numerology.

The matter can be generalized some to Amicable Numbers, such as 284 and 220, where each has divisors less than itself that sum up to the other.

220 = (2^2)x5x11, and the sum of the divisors less than itself is: (1+2+4)(1+5)(1+11)-220 = 7x6x12-220 = 284. While 284 =4x71, and the divisors (1+2+4)(71+1)-284=220.
These numbers were given importance even in things like marrage.

Fermat and Descartes both discovered new sets of amicable numbers.
 
Last edited:
Ok, I see. So they're just numbers that are very "nice" numbers.


AKG said:
Perfect numbers have nothing to do with base 10. Most mathematics is about what mathematicians like to look at.

The only time I've seen perfect numbers are in base 10. I wasn't thinking, though... because it doesn't matter what the base is, they're going to be perfect no matter what. D'oh. >_<

Thanks for the replies.
 

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