69376
domain: N
Appears in sequences
- Numbers k such that 1000k+1, 1000k+3, 1000k+7, 1000k+9 are all primes.at n=25A064962
- Numbers n such that the digits of P_7(n), the n-th heptagonal number, end in n.at n=37A067271
- Automorphic numbers: numbers k such that k^6 ends with k. Also m-morphic numbers for all m not congruent to 26 (mod 50) but congruent to 6 (mod 10).at n=38A068408
- Numbers m such that m^m == m (mod 10^(len(m) + 2)), where len(m) is the number of digits of m (A055642).at n=22A373206
- Primitive terms of A388271.at n=36A388272