70067

Properties

Appears in sequences

• Primes starting and ending with 7.at n=35A062334
• Numbers k such that 12^k - 11^k is prime.at n=7A062578
• a(n) = a(n-2) + a(n-3) for n >= 3, with a(0) = a(1) = 2, a(2) = 1.at n=39A276477
• Index of first occurrence of n appearing twice in succession in van Eck's sequence (A181391), or 0 if it never occurs.at n=26A308782
• a(n) is the first prime p such that q*r mod p = q*r mod s = 12*n, where q,r,s are the next three primes after p.at n=31A338615
• Primes having only {0, 6, 7} as digits.at n=13A385770
• Primes having only {0, 4, 6, 7} as digits.at n=36A386072
• Primes having only {0, 6, 7, 8} as digits.at n=33A386082
• Prime numbersat n=6943