124021

Properties

Appears in sequences

• Non-palindromic primes which on subtracting their reversal give perfect squares.at n=31A080177
• prime(k) for those k where floor((2*(prime(k+1)-prime(k))*PrimePi(k) mod (8*k))/k) = m with m = 11.at n=32A109565
• Primes p such that q-p = 46, where q is the next prime after p.at n=9A134122
• Primes p = 1 mod 6 such that all three iterations p=(6p+1) give primes = 1 mod 6.at n=25A210686
• a(n) is the number of ways to place non-attacking queens on an n X n board with no queens above the main diagonal.at n=11A359032
• Primes p such that 2p - 1, 3p - 2, (p + 1)/2, and (p + 2)/3 are also prime.at n=5A386540
• Prime numbersat n=11653