This number is a prime.

+ The prime year in which Pope Paul IV, infamous for his anti-Semitic pogroms, died.

+ United Nations Security Council Resolution 1559 was an attempt to discourage Syrian meddling in Lebanon.

+ The smallest prime p with 16 consecutive quadratic residues mod p. [Post]

+ England's Queen Elizabeth I was crowned in January of the emirp year 1559. [Green]

+ The smallest emirp whose reversal (9551) is an "automorphic" prime subscript (i.e., P9551 ends in 9551) that is also obtained when each digit is replaced by its complement. [Beedassy]

+ The smallest emirp that becomes a semiprime when any single digit is removed. [Post]

+ The smallest 4-digit emirp whose sum of end digits equals the sum of middle digits. [Loungrides]

+ The summit of Devils Tower is 1559 meters above sea level. [Bolling]

+ The smallest emirp that has the same Collatz trajectory length (60) as its reverse. [Gaydos]

(There is one curio for this number that has not yet been approved by an editor.)

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell