38923

Properties

Appears in sequences

• Primes that are palindromic in base 13.at n=38A029980
• Largest prime factor of 5^n + 1.at n=13A074478
• Primes p giving prime quadruples (30p+11, 30p+13, 30p+17, 30p+19).at n=17A087771
• Primes p of Erdos-Selfridge class 4+ with largest prime factor of p+1 not of class 3+.at n=27A129472
• Primes of the form n + sum of proper non-divisors of n.at n=28A192560
• Primes p such that p^2 is the concatenation of two k-digit primes where k is half the length of p^2.at n=26A248046
• Number of (2+2) X (n+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=32A252721
• Primes p such that p=prime(k), prime(k+1), and prime(k+2) end in the same digit.at n=42A328452
• Prime numbersat n=4101