This number is a prime.
The smallest 4-digit prime p such that the differences between the five consecutive primes starting with p are (2,4,6,2). [Russo]
The smallest prime formed by concatenating n double
Mersenne primes (7, 127). Note that 7127 is also a prime. [Loungrides]
(1277, 1279) is the first case of a twin prime pair (p, p+2) such that 2^p and 2^(p+2) are both "apocalyptic numbers". [Loungrides]
The smallest prime number whose sum of digits equals the sum of digits of its digital product. [Gaydos]
(There is one curio for this number that has not yet been approved by an editor.)
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