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MindWithoutWalls
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17 Nov 2011, 11:25 pm

I'm not really a big math buff, though I do play around with a calculator from time to time. Mostly, though, it's just because I like watching the numbers go by as I do it. Calculators are also tools that can make keeping track of sets and reps during exercise very easy.

As a kid, I favored 7. I had a pair of gray shorts that had a patch on them that said "Secret Agent X-7". I was very unhappy to outgrow them. But later on, I discovered Fibonacci numbers, and it was pretty much all over for poor 7. Since then, it's been 3, 5, and 8. I even knew someone who had a a phone number consisting of only those digits. I envied her a bit for that. A string of seven digits, my old favorite (and, of course, a prime number, as has been noted) made up of my favorite Fibonacci numbers. Too cool!


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Verdandi
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17 Nov 2011, 11:29 pm

I prefer squares, cubes - okay, exponents in general - and Fibonacci chains.

I'm not really into more abstract mathematics, but I'm good with arithmetic and geometry.



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17 Nov 2011, 11:55 pm

I find Fibonacci numbers more immediate go-to numbers than primes.



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18 Nov 2011, 12:03 am

graywyvern wrote:
numbers to me are as distinct as words.
each number is the same of something, that only that number is the name of.

a prime has unique integrity, an atom rather than a compound, a crystal rather than a clump.
or: it's a pure tone, when other numbers are somehow filtered.

i don't look for them; they're just accidental magic.


Precisely. The units into which prime numbers could only by divided into by themselves are attached by our own minds to that which is observable such as space and sequences (like counting). Only these numbers could not be divided into larger quantities which are astracted from designated units. In a realm less concrete than counting, prime numbers exist by themselves.

Or maybe I am just confused :D



Last edited by petitesouris on 18 Nov 2011, 3:39 pm, edited 2 times in total.

jackbus01
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18 Nov 2011, 1:32 am

dragonbean wrote:
Ganondox wrote:
What do you mean regarding 26?


5 squared is 25, and 3 cubed is 27. 26 is right in between them and it's the only number with that property.



I am not sure what you are referring:
26 is not prime (2*13)
What are you trying to same about squares and cubes, can you be more specific?



jackbus01
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18 Nov 2011, 1:40 am

Ganondox wrote:
I actually dislike prime numbers aesthetically as you can't make nonlinear rectangles with them. Aesthetically I prefer squares.


"non-linear rectangle"--what?
I don't know how the word "non-linear" can be applied to a rectangle.

A rectangle is a 4-sided polygon whose 4 interior angles are all 90 deg. A square is a subset of a rectangle. Of course you can easily make a rectangle whose sides are (3,3,5,5), which are all prime numbers.



jackbus01
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18 Nov 2011, 1:45 am

jocli wrote:
3, 5, & 13 are also Fibonacci numbers; 7 is prime and is also a Lucas number (2, 1, 3, 4, 7, 11...)


That's interesting. I have never heard of a Lucas number--I had to look it up. I learn new stuff every day, that's cool.

http://en.wikipedia.org/wiki/Lucas_number compared with http://en.wikipedia.org/wiki/Fibonacci_number



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18 Nov 2011, 3:44 am

jackbus01 wrote:
Ganondox wrote:
I actually dislike prime numbers aesthetically as you can't make nonlinear rectangles with them. Aesthetically I prefer squares.


"non-linear rectangle"--what?
I don't know how the word "non-linear" can be applied to a rectangle.

A rectangle is a 4-sided polygon whose 4 interior angles are all 90 deg. A square is a subset of a rectangle. Of course you can easily make a rectangle whose sides are (3,3,5,5), which are all prime numbers.


I meant rectangular array, an array of objects arranged into rows and columns. A linear rectangle array has only one row or column.


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jackbus01
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18 Nov 2011, 5:01 am

Ganondox wrote:
jackbus01 wrote:
Ganondox wrote:
I actually dislike prime numbers aesthetically as you can't make nonlinear rectangles with them. Aesthetically I prefer squares.


"non-linear rectangle"--what?
I don't know how the word "non-linear" can be applied to a rectangle.

A rectangle is a 4-sided polygon whose 4 interior angles are all 90 deg. A square is a subset of a rectangle. Of course you can easily make a rectangle whose sides are (3,3,5,5), which are all prime numbers.


I meant rectangular array, an array of objects arranged into rows and columns. A linear rectangle array has only one row or column.


okay, that makes a lot more sense. I really didn't know what you were talking about.



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18 Nov 2011, 5:45 am

I dont like prime numbers. but 7 and 11 are 2 of my favorite numbers. so is 2. xD



deconstruction
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18 Nov 2011, 7:48 am

On the other hand, interest and fascination cultures give to number 5 is understandable. That's the number of finger on one hand, so it's logical we have mathematical systems with the base of 10. (It's not true for all the cultures, though).



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18 Nov 2011, 10:01 am

Don't even know what prime numbers are.


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jackbus01
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18 Nov 2011, 11:23 am

Joe90 wrote:
Don't even know what prime numbers are.


http://en.wikipedia.org/wiki/Prime_numbers



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18 Nov 2011, 2:53 pm

If I look at the number 1024, in my mind, I'm screaming "Yippee!" as I immediately know that's 2x512, or 4x256, or 8x128, or 16x64, or 32x32 which are easy numbers for my brain to work with.

If I look at 1021, I die inside a little bit, until I realize I can break it down into a thousand and 21, which is 7x3. Or, I could say it's just needs 3 more and I'd be happy.


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dragonbean
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18 Nov 2011, 5:32 pm

jackbus01 wrote:
dragonbean wrote:
Ganondox wrote:
What do you mean regarding 26?


5 squared is 25, and 3 cubed is 27. 26 is right in between them and it's the only number with that property.



I am not sure what you are referring:
26 is not prime (2*13)
What are you trying to same about squares and cubes, can you be more specific?


No, it isn't prime. I was just saying I like playing with numbers.