2011
This number is a prime.
Just showing those entries submitted by 'Beedassy': (Click here to show all)
The year terminating the smallest quadruplet of successive
prime years that leaps over a millennium with increasing
gaps 2n (n = 1, 2, 3): 1997, 1999,
2003, 2011. [Beedassy]
The horizontal reflection of 2011 (5011) on a calculator is also prime. [Beedassy]
(There are 2 curios for this number that have not yet been approved by an editor.)
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