9467
This number is a prime.
The largest 4-digit prime (emirp) whose sum of the two
leftmost digits (9 and 4) equals the sum of the two
rightmost digits (6 and 7). [Loungrides]
9467 and the 9467th brilliant number (583201) together
contain the ten digits once each. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell