160159

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 10x + 9.at n=28A023329
• Primes whose decimal expansion is a concatenation of two or more consecutive decreasing numbers (no leading zeros allowed).at n=20A052088
• Primes formed by concatenating k with k-1.at n=18A052089
• Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic nonresidues mod p that are > p/2.at n=37A282042
• Emirps p such that both p and its reversal are sums of three consecutive primes.at n=26A345472
• Prime numbersat n=14698