509797

Properties

Appears in sequences

• Primes of form n^2 + mu(n), where mu is A008683.at n=20A062459
• Primes p such that all prime factors of p-1 have exponent 2.at n=31A089195
• Primes of the form 9*n^2 + 1.at n=31A156226
• Triangle T(n, k) = 1 + abs(n! - k!)*abs(n! - (n-k)!), read by rows.at n=24A172177
• Primes of the form n^2+1 such that (n+2)^2+1 is also prime.at n=11A206328
• Smallest primes of 3 X 3 semimagic squares formed from consecutive primes.at n=20A265139
• Prime numbersat n=42276