25747

Properties

Appears in sequences

• Discriminants of totally complex sextic fields (negated).at n=21A023687
• Primes p such that p-3 and p+3 are divisible by a cube.at n=24A089201
• Balanced primes of order eight.at n=31A096700
• Primes of the form p^3 + q^3 + r^3, where p, q and r are primes.at n=33A123597
• Numbers such that the sum of the factorials of the digits of the fifth power is a square.at n=29A126078
• Prime numbers n such that n = p1^3 + p2^3 + p3^3, a sum of cubes of 3 distinct prime numbers.at n=11A137365
• Subsequence of A137365 where it is possible to choose p1, p2, p3 so that p1+p2+p3 = prime.at n=11A137366
• Indices k such that A000930(k) is prime.at n=10A170954
• Primes of the form 7*x^2 - 5*y^2, where x and y are successive natural numbers.at n=39A176557
• Number of ways to reciprocally link elements of an n X 3 array either to themselves or to exactly two horizontal, vertical and antidiagonal neighbors, without 3-loops.at n=5A220597
• Number of ways to reciprocally link elements of an nX6 array either to themselves or to exactly two horizontal, vertical and antidiagonal neighbors, without 3-loops.at n=2A220600
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two horizontal, vertical and antidiagonal neighbors, without 3-loops.at n=30A220602
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two horizontal, vertical and antidiagonal neighbors, without 3-loops.at n=33A220602
• a(n) is the least number such that bigomega(a(n)) = bigomega(R(a(n)))/n, where R(n) is the digit reverse of n and bigomega(n) is the number of prime divisors of n counted with multiplicity.at n=10A284496
• Primes dividing nonzero terms in A002065.at n=29A328704
• Number of integer partitions of n such that the product of parts is greater than the sum of primes indexed by the parts.at n=38A380411
• Primes having only {2, 4, 5, 7} as digits.at n=43A386153
• Prime numbersat n=2835