53639

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of the function f(x) = 2*x + 1.at n=23A023272
• Primes that remain prime through 4 iterations of function f(x) = 2x + 1.at n=3A023302
• Trajectory of 40 under prime factor concatenation procedure.at n=27A037937
• Base-9 palindromes that start with 8.at n=34A043035
• Initial (unsafe) primes of Cunningham chains of first type with length exactly 5. Primes in A059453 that survive as primes just four "2p+1 iterations", forming chains of exactly 5 terms.at n=1A059764
• Primes of the form 4*k-1 such that 8*k-1, 16*k-1 and 32*k-1 are also primes.at n=7A101795
• Primes of the form 4*k-1 such that 8*k-1, 16*k-1, 32*k-1 and 64*k-1 are also primes.at n=1A101995
• Smallest primes starting a complete four iterations Cunningham chain of the first or second kind.at n=5A110027
• Primes whose reversal + 1 is a square.at n=11A167217
• Primes p congruent to 1 modulo 13 such that x^13 = 2 has a solution modulo p.at n=35A275773
• Primes p such that A272207(p) = p.at n=27A276030
• Number of partitions of the (n+3)-multiset {0,...,0,1,2,3} with n 0's into distinct multisets.at n=26A346823
• Prime numbersat n=5468