28283

Properties

Appears in sequences

• Primes whose consecutive digits differ by 5 or 6.at n=19A048417
• Third term of weak prime sextet: p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2).at n=9A054830
• (Sum of composites among next n numbers)-(sum of primes among next n numbers).at n=41A094338
• Let p = prime(sigma(n)) and q = prime(phi(n)), then p is in the sequence if p-q = 6.at n=34A103176
• Smallest prime p with at least two non-overlapping occurrences of n in decimal representation of p.at n=27A103611
• Primes p1 such that p1^3+p2^2=pp are average of twin primes. p1 and p2 consecutive primes, p1 < p2.at n=21A138735
• Primes formed by concatenating k, k and 3 for k >= 1.at n=10A210512
• Primes p for which p^i - 4 is prime for i = 1, 3 and 5.at n=8A243818
• Primes having only {2, 3, 8} as digits.at n=20A260127
• a(1) = 2; a(n + 1) = smallest prime > a(n) such that a(n + 1) - a(n) is the product of 8 primes.at n=29A285693
• Primes p such that 11*p is the concatenation of an emirp and its reverse.at n=8A345905
• Discriminants of imaginary quadratic fields with class number 37 (negated).at n=24A351675
• Primes having only {0, 2, 3, 8} as digits.at n=37A386045
• Primes having only {2, 3, 4, 8} as digits.at n=40A386142
• Primes having only {2, 3, 5, 8} as digits.at n=37A386145
• Prime numbersat n=3080