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05 October 2007 @ 05:29 pm
interesting numbers  
I'm feeling a bit giddy today, so rather than do my timesheet, I'd like to try a game.

Counting up from 1, and including only natural numbers, think of something interesting about each number.
1 is interesting because multiplying by it has no effect
2 is interesting because it's the only even prime
3 is interesting because it's the sum of the two numbers before it

Tell me something interesting about 4, then 5, etc. For a very loose interpretation of "interesting".

(This is sparked off by a proof that there are no uninteresting numbers)
 
 
Current Mood: giddygiddy
 
 
 
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a very caring potatomollydot on October 5th, 2007 04:50 pm (UTC)
But it is the first square (or if you count 1, the first square that is not a square of itself)

KNEEnippleKNEEnippleKNEEnipple...
What do you mean, according to hellison? It is the truth.

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a very caring potatomollydot on October 5th, 2007 04:55 pm (UTC)
(shh! don't tell everyone!)

Um... so, would anyone else care to try 6?
the femme dandy highwayman: life is short from chillerglitzfrau on October 5th, 2007 06:11 pm (UTC)
I would just like to say that this game is my idea of hell. In fact, I am feeling nauseous at the very thought. That is all! But continue. Clearly, 12 is the best number because it's my birthday, and indeed only in 7 days time, moreover.
a very caring potatomollydot on October 5th, 2007 06:25 pm (UTC)
very quietly so glitzfrau doesn't hear: 6 is interesting because it is a multiple of the same three numbers it is the sum of (1, 2, 3)

7 is interesting because it is the number of days until glitzfrau's birthday. And two other friends', in fact. Happy advance birthday! (and the biggest one digit prime)

a very caring potato: wings and wordsmollydot on October 5th, 2007 06:29 pm (UTC)
What does your icon say, BTW?
Words would be more your style. Care for a game of scrabulous?
(Anonymous) on October 5th, 2007 07:23 pm (UTC)
8 is...
... the first cube (not counting 0 or 1)
... the number of comments so far
... great

- D
a very caring potatomollydot on October 5th, 2007 07:35 pm (UTC)
No! 9 is the number of comments so far!
We could keep going with this one forever. Which means it's not interesting. Damn.
Ok, 9 is the biggest one digit cube. Am I obsessing about biggest one digit whatever? Oh yeah, 9 is the biggest one digit number.

Tanyacartographer on October 7th, 2007 02:45 pm (UTC)
10's the first two digit number, 11's the first double-digit, 12's divisible by 1 and 2 and 3 and 4 (but not 0; that's frowned upon). 12's great actually. I've always liked 12 a lot. 13's the sum of two squares. 14's the product of two primes, but that's a bit boring, so it's also the first two squares laid out in a row. 15 is 1+2+3+4+5. 16 is the first square of a square that isn't the original number. (16 is also divisible by lots of things and a powerful figure in binaryland. 16 is quite cool.).
a very caring potatomollydot on October 7th, 2007 08:56 pm (UTC)
Thank you! That's great.
I like 12 too. I once went out with someone who was obsessed with 12. He taught me 12 to the power of 8 and I still know it - 429981696. Which has a few nice numbers in it if you split it into 2 and 3 digit groups.
the first two squares laid out in a row I think I know what you mean, but I'm not 100% - 1 and 4?
I can't think of anything specific about 17. It's a prime, but we've met a few already. Oh! It's 2^3 + 3^2.
Tanyacartographer on October 7th, 2007 10:53 pm (UTC)
14: Yeah, I just mean it's 1^2 and then 2^. Kind of lame, I'm afraid.
18: Sum of two primes, in three different ways, 11+7, 13+5, 17+1. It's also twice 3^2

19: 3^3 - 2^3

20: 5^2 - 5^1 (I bet you can do better than that)

21: 10101 -- it's attractive in binary? And 1+2+3+4+5+6, of course.
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a very caring potato: built on rock 'n' rollmollydot on October 7th, 2007 08:58 pm (UTC)
Yeah, it's a nice idea, but is it really valid after the first one, maybe two? It gets less valid as it goes along.
Crazy.
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a very caring potatomollydot on October 8th, 2007 09:31 am (UTC)
I did! But very quietly so it wouldn't upset glitzfrau
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a very caring potatomollydot on October 8th, 2007 09:50 am (UTC)
6 is interesting because it is a multiple of the same three numbers it is the sum of (1, 2, 3)

In small writing here: http://mollydot.livejournal.com/166045.html?thread=701341#t701341
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