1559
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]