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11 (eleven)

The number 11 has some interesting details.

 


Prime number

Because 11 can only be divided by itself it is a prime number.

 


Pascal's triangle

You can develop Pascal's triangle, by writing successive powers of the number 11 under each other

1
1    1
1     2     1
1     3     3     1
1     4      6      4     1

as 110 = 1,  111 = 11,  112 = 121,  113 = 1331, 114 = 14641. But this does not continue that way.

 


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