56747

Properties

Appears in sequences

• Least prime in A031938 (lesser of primes differing by 20) whose distance to the next 20-twin is 6*n.at n=32A052359
• Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 15 (most significant digit on right).at n=18A061944
• Primes p such that p+-2 and p+-3 are not squarefree.at n=26A153214
• Primes p such that p^2 - 8, p^2 - 6 and p^2 - 2 are prime.at n=20A176960
• Primes of the form 15*k^2 - 15*k + 17.at n=39A220081
• Partial sums of primes, but with a twist.at n=23A247657
• Primes whose trajectories under the map x -> A039951(x) enter the cycle {83, 4871} (conjectured).at n=11A252812
• Number of ways to choose a strict partition of each part of a strict partition of n.at n=27A279785
• Primes equal to a centered triangular number plus 1.at n=29A285809
• Prime numbersat n=5754