9719
This number is a prime.
The largest four digit prime in which the first, second and third pairs of digits are prime (97,71,19) and the first and second three digits (971,719) are also prime. [McGrath]
In the 2006 movie "Snakes on a Plane," the air traffic
controller's display shows the aircraft DMA 134 at 9719
feet. Controllers' readouts actually only show the
altitudes to the nearest hundred feet. [Caldwell]
The only canyon prime concatenated from two double-digit primes. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell