This number is a composite.

+ The smallest 4-digit brilliant number (1003 = 17 × 59) whose prime factors are concatenated in some order, is also a brilliant number, i.e., 5917 = 61 x 97. [Loungrides]

+ The smallest 4-digit "April Fool prime" whose the reversal is prime. [Loungrides]

(There are 2 curios for this number that have not yet been approved by an editor.)

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell