3333133333

Appears in sequences

• Smallest prime beginning and ending in at least n 3's.at n=3A068161
• Smallest prime numbers p of length n having a decimal expansion x(1)x(2)... x(n) such that there exists an index j where x(j) = 1 and x(i) = 3 for i<>j, or 0 if no such prime exists.at n=8A241022
• Triangle-congruent primes greater than 10 with a single digit at the center.at n=2A261510