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Just showing those entries submitted by 'Caldwell': (Click here to show all)

+ The decimal expansion of 1919 begins with the digits 19. This is not true for pp, where p is any other prime less than 19,000,000,019. [Caldwell]

+ 19 is the |1 - 9|th prime number. [Caldwell]

+ 19^0 + 19^1 + ... + 19^18 (19 terms) is prime. [Caldwell]




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