6712591

Properties

Appears in sequences

• Weakly prime numbers (changing any one decimal digit always produces a composite number). Also called digitally delicate primes.at n=21A050249
• Prime numbers p such that p remains prime through 6 iterations of function f(x) = 2x + 5.at n=17A129932
• Weakly prime numbers (or isolated primes): changing any one decimal digit always produces a composite number, with restriction that first digit may not be changed to a 0.at n=25A158124
• a(n) = smallest member of the n-th term in S(10) (defined in Comments).at n=32A158578
• a(n) = largest member of the n-th term in S(10) (defined in Comments).at n=32A158579
• Prime numbersat n=458316