31111111111
domain: N
Appears in sequences
- a(n) is the smallest prime ending in exactly n 1's.at n=9A065821
- Primes with a 3 followed by 1's.at n=3A068813
- Primes of the form identical digits preceded by a 3.at n=5A090151
- Primes with digital product = 3.at n=24A107689
- Largest n digit prime with the most digits equal to 1.at n=10A177999
- Emirps whose products of digits are prime.at n=21A210546
- Larger of emirp pairs whose members have prime digital products.at n=10A210548
- Largest n digit prime having at least n-1 digits equal to 1.at n=10A268702
- Irregular triangle read by rows: row n lists the lines of a "normal" proof (see comments) for the MIU formal system string (theorem) given by A369173(n+1).at n=18A369409
- Irregular triangle read by rows: row n lists the lines of a "normal" proof (see comments) for the MIU formal system string (theorem) given by A369173(n+1).at n=31A369409
- Lesser of two consecutive primes such that the product of its digits is also prime and the sum of the digits of the other is composite.at n=24A370848