[seqfan] Re: Smallest emirp with emirp number of digits and emirp digital sum

[Jack Brennen]

Jonathan Post wrote:
> 
> I'm not personally eager to look at 17-digit examples...
> 

Last 13-digit examples:

9999999990583
9999999990853
9999999995191
9999999996901
9999999997919
9999999998987

First examples of some digit lengths:

10^16 + {79, 1551, 3711, 7711, 9421, 9867}

10^30 + {2613, 29979, 37857, 41461, 47577}

10^36 + {9061, 21081, 52351, 71017, 95781}

10^70 + {691, 19321, 203403, 225201, 231987}

10^72 + {97167, 158637, 227001, 233679, 265021}

... and skipping a few other legal lengths...

10^148 + 53967