93497

Properties

Appears in sequences

• Primes with 4 distinct digits that remain prime (no leading zeros allowed) after deleting all occurrences of its digits d.at n=20A057880
• Row sums of partition triangle A026820.at n=28A058397
• Numbers n for which 2*R_n + 1 is a prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=23A096506
• Smaller of two consecutive prime numbers such that p1*p2*d - d = average of twin prime pairs, d (delta) = p2 - p1.at n=12A153378
• Primes of the form (p^2-2)/7, where p is also a prime number.at n=18A165668
• Prime numbersat n=9030