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Mathematics
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mj6174
  • Member for 11 years, 2 months
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I am just a math hobbyist.

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16
$4494410$ and friends
Oct 22, 2013
13
Can you answer my son's fourth-grade homework question: Which numbers are prime, have digits adding to ten and have a three in the tens place?
Oct 7, 2013
5
Efficient division using binary math
Oct 25, 2013
1
Ordered combinations
May 23, 2013
1
How can I show that $4^{2n}-1$ is divisible by $15 $ for all $n$ greater or equal to $1$
Oct 30, 2013
0
Congruence modulo primes or in a polynomial ring over ${\rm GF}(2)$
Jul 19, 2014
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8
What does small AC signal mean?
7
555 timer monostable time constants
5
32 bit, 4 way multiplexer