101111

This number is a prime.

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101111 is prime when read as a base-two number. This is the last of only four primes in the first 10,000 that are both a prime when read as a base-two and a base-ten number. [Connolly]

Submitted: 2006-12-14 02:57:36;   Last Modified: 2008-01-30 17:28:00.
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