25247
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Primes of the form n^3 + n^2 + 17, for nonnegative values of n.at n=22A050266
- Sixth term of strong prime sextets: p(m-4)-p(m-5) > p(m-3)-p(m-4) > p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1).at n=6A054818
- Primes p such that 8*p +- 3, 28*p +- 3 and 38*p +- 3 are all primes.at n=3A106023
- Primes p such that googol - p is prime.at n=14A108252
- Numbers k such that Sum_{i=1..k} i^6 divides Product_{i=1..k} i^6.at n=26A166606
- Prime concatenations p = concatenation of c, b, and a where a, b, c is a primitive Pythagorean triple, a < b < c.at n=0A174825
- Primes that are the average of the members of emirp pairs.at n=22A178581
- Nonpalindromic primes that are the average of the members of emirp pairs.at n=14A178585
- Primes of the form k^2 + prime(k).at n=23A184935
- Primes of the form n + sum of proper non-divisors of n.at n=24A192560
- Numbers n such that n!10 + 2 is prime.at n=51A204657
- a(n) = 137*n^2 - 4043*n + 27277.at n=29A267706
- Start from the sequence of primes, keep the 1st, then delete 2 primes, keep the next, delete 3 primes, keep the next, delete 5 primes, etc ...at n=38A350170
- Numbers k such that k + the sum of the fourth powers of its digits is again a fourth power.at n=5A362954
- Primes having only {2, 4, 5, 7} as digits.at n=39A386153
- Prime numbersat n=2786