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
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