52321

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 2x + 9.at n=25A023306
• Smallest prime p of two consecutive primes, p < q, such that gcd( p-1, q-1 ) = 2n.at n=19A058264
• Smallest n-digit number in which the k-th digit (from the right!) is a divisor of k, greater than 1 unless k has no single-digit divisor > 1.at n=4A069572
• Numbers k such that k, k+1, k+2, k+3 and k+4 are respectively 1,2,3,4,5-almost primes.at n=2A113008
• Primes p such that q-p = 40, where q is the next prime after p.at n=8A126721
• Prime numbers p of the form p=x^2+y^3 such that there exist three other prime numbers q,r,s such q=abs(x^2-y^3) ; r=x^3+y^2 ; s=abs(x^3-y^2); x > y.at n=12A129537
• Primes with nonzero digits such that sum of cubes of digits equal to square of sums.at n=15A225567
• Primes p such that the sum of the squares of digits of p equals the sum of digits of p^2.at n=24A290972
• Sorted list of prime factors of numbers of the form 11^(2^m) + 2^(2^m) with m >= 0.at n=8A294136
• Numbers k such that d(k) < d(k+1) < d(k+2) < d(k+3) < d(k+4), where d(n) is the number of divisors of n.at n=8A364717
• Indices of record high points in A387535.at n=3A387536
• Prime numbersat n=5349