977777777

This number is a composite.

Single Curio View: (Seek other curios for this number)

The only 5-brilliant number obtained by inserting d digits d\'s between the digits of a double-digit prime p, (p=97), i.e., 977777777 = 12497 x 72241. [Loungrides]

Submitted: 2019-04-17 11:26:49; Last Modified: 2019-04-17 14:59:16.