segunda-feira, 25 de setembro de 2006

Coisas do 11.

11 significa : que los demás ven en tí una personalidad idealista e inspirada.

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Lucas Numbers
The first ten Lucas numbers are - 1, 3, 4, 7, 11, 18, 29, 47, 76, 123
The sequence is made in the same way as for Fibonacci numbers. You get each number by adding together the two previous numbers
1 + 3 = 4
3 + 4 = 7
4 + 7 = 11- and so on.

The sun spot cycle repeats about every 11 years. Sun spots are dark spots on the surface of the sun. They occur more often during the active phase of the sun spot cycle. The spots have intense magnetic fields which are associated with magnetic storms on earth. Radio reception on earth is also affected by the sun spot cycle.

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11
is the largest known multiplicative persistence.
is the third honest number, because 11 = "two plus nine".
Any power of 11 ends in a 1.
Any large number is divisible by 11 if the difference between the sum of its odd digits (units, hundreds, etc.) and the sum of its even digits (tens, thousands, etc.) is 0 or a number divisible by 11.
Displayed on a calculator, it reads the same whether the calculator is turned upside down or reflected on a mirror, or both.
'Eleven plus two' is the anagram of 'twelve plus one'.
The Maoris, the initial inhabitants of New Zealand, used for reckoning or accounting purposes the undecimal (base-11) positional notation system.
112 = 65 + 56
112 x 9182736455463728191 = 1111111111111111111111
- posted by Yosuke Ikeda, Yasuji Kondo, Yasuhiko Sakaitani, Ken Hirotomi, Hiroyuki Ozaki, Atushi Tanaka, Ryohei Miyadera (Kwansei Gakuin High School) -
11 + 1.1 = 11 x 1.1
Magic triangle with a constant of 11;
2 + 3 + 6 = 2 + 5 + 4 = 6 + 1 + 4 = 11
2
3 5
6 1 4

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