This number is a prime.

                                                                1 0013236879

+ π(10013236879)=455627894 is the smallest pandigital equation of the form π(m)=n containing each of the digits 0 to 9 exactly twice, where π(m) is the prime-counting function. Discovered by Chuck Gaydos of Scottsdale, Arizona. See PC102756.

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell