5479
This number is a prime.
Just showing those entries submitted by 'Green': (Click here to show all)
The average of the smallest (1009) and largest (9949) 4-digit primes featured in the book "Prime Curios!: The Dictionary of Prime Number Trivia" by Chris K. Caldwell and G. L. Honaker, Jr., 2009. [Green]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell