70979

Properties

Appears in sequences

• Primes p such that p+2, 2p+1, and 2p+3 are also prime.at n=20A069142
• Primes p such that 13 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248).at n=32A080188
• Primes that contain only the digits (0, 7, 9).at n=16A261181
• Numbers n such that n is a twin prime and 2n + 1 is a twin prime.at n=21A261463
• Primes whose position in the Wythoff array is immediately followed by a prime both in the next column and the next row.at n=31A352537
• a(n) = Sum_{k=3..n} binomial(k,3) * floor(n/k).at n=35A366971
• Primes having only {0, 7, 8, 9} as digits.at n=36A386084
• Prime numbersat n=7029