11111...11111 (29-digits)

This number is a prime.

                                             111111111 1111111111 1113111111

Just showing those entries submitted by 'Worrom': (Click here to show all)

The smaller (on the first occasion) of two consecutive near-repdigit primes whose digit-products equal their near-repdigit prime index digit-products, i.e., 1*1*3*1 and 1*1*3*2. [Worrom]