Double the Last Number
#21
1048576 - 1 M

When I was in school, I memorized the powers till 26, although I really think I should know them till 32 (what with the ubiquitous 4 GB limits on various stuff in the computing world). 24 and 25 look the best, IMO.

- Madhav.
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#22
2,097,152

I once wrote down powers of 2 as a pastime...I reached about 2^450 or so. Unfortunately, I often made mistakes and had to check an online list. Fail
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#23
If you think that's geeky, I often work out the sin of 72 degrees algebraically for fun. Even made a video:

"Bad news, bad news came to me where I sleep / Turn turn turn again" - Bob Dylan
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#24
2 sin (2/5 pi)
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#25
4194304



Nice symmetrical distribution of fours in this one.
Quote:In Jr. High School, I would take a gummi bear, squeeze its ears into points so it looked like Yoda, and then I would say to it "Eat you, I will!". And of course then I would it eat.
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#26
Quote:4194304



Nice symmetrical distribution of fours in this one.


No! The last number was 2 sin (2/5 pi)! You were supposed to double that! geodave didn't double the last number, but I decided to ignore that and double his number anyway. Don't ignore me! :[

8388608
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#27
Ah, here we are!

16777216
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#28
33554432

I did this on paper; not calculator. Smiley

Also, the pattern is double numbers except for the end. Wink
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#29
let's see.. 6 6 10 10 8 8 6 4 -- that's 67108864 -- right? Sorta did that on the fly.

And my pentagon thing was an aside -- duh.
"Bad news, bad news came to me where I sleep / Turn turn turn again" - Bob Dylan
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#30
134217728.
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