944446666669999999999

This number is a prime.

                                                     9 4444666666 9999999999

Single Curio View:   (Seek other curios for this number)
The only prime formed by inserting, between the digits of a double-digit number n, the concatenation in ascending order of all the semiprime digits d, d times each of them, n=99. [Bajpai]

Submitted: 2020-04-24 15:09:04;   Last Modified: 2020-04-24 15:45:17.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell