0.2357111317192329313...

This number is neither prime nor composite.

                                                                       0.235
7111317192 3293137414 3475359616 7717379838 9971011031 0710911312 7131137139

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In 1946 Copeland and Erdös proved that the decimal number obtained by adjoining all of the primes was normal. That is, any pattern of k-digits must occur 1/10k of the time in the decimal expansion. (It is not normal in every base.) [Caldwell]

Submitted: 2006-03-03 18:39:14;   Last Modified: 2008-05-16 05:54:02.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell