Fri, 19 Sep 2014

Links For September 19, 2014

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posted by ssp at Fri Sep 19 14:46:22 2014

http://www.autosec.org/pubs/cars-oakland2010.pdf


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The Magic Word:
Which planet is closest to the sun? (hint -- it's Mercury...)




Once upon a time, when I was training to be a mathematician, a group of
us bright young students taking number theory discovered the names of the
smaller prime numbers.

2: The Odd Prime —
It’s the only even prime, therefore is odd. QED.
3: The True Prime —
Lewis Carroll: “If I tell you 3 times, it’s true.”
31: The Arbitrary Prime —
Determined by unanimous unvote. We needed an arbitrary prime in
case the prof asked for one, and so had an election. 91 received
the most votes (well, it *looks* prime) and 3+4i the next most.
However, 31 was the only candidate to receive none at all.
41: The Female Prime —
The polynomial X**2 - X + 41 is
prime for integer values from 1 to 40.
43: The Male Prime - they form a prime pair.

Since the composite numbers are formed from primes, their qualities
are derived from those primes. So, for instance, the number 6 is “odd
but true”, while the powers of 2 are all extremely odd numbers.