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11 (eleven)

The number 11 has some interesting details.

 

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Prime number

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

 

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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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