This number is a prime.
Single Curio View: (Seek other curios for this number)The smallest odd prime number that cannot be expressed as the sum of a power of two and a prime (so it is also the smallest prime that becomes composite upon changing any one of the bits in its binary expansion). [Capelle]
Submitted: 1999-09-02 18:40:00; Last Modified: 2008-02-26 09:22:58.
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