1973
This number is a prime.
Single Curio View: (Seek other curios for this number)
The least prime p that becomes composite if we add or subtract
any power of 2 less than p/2. (The next few are 3181, 3967, 4889, 8363, 8923,
...) [TT2011]. [Caldwell]
Submitted: 2008-02-25 14:03:09; Last Modified: 2014-08-14 12:04:59.
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