53717

Properties

Appears in sequences

• Numbers k such that 30*R_k + 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=30A055520
• Smallest member of the first occurrence of exactly n consecutive primes with all odd digits.at n=5A068830
• Primes with all odd digits such that the next three primes also contain all odd digits.at n=33A068831
• Primes with all odd digits such that the next four primes also contain all odd digits.at n=9A068832
• Primes p1 such that the sum of 9 consecutive primes, p1+p2+p3+p4+p5+p6+p7+p8+p9, and the three sums (p1+p2+p3), (p4+p5+p6), (p7+p8+p9) are all prime numbers.at n=23A343683
• Prime numbersat n=5474