250361

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 52.at n=13A031640
• Sequence of 3 Pythagorean triangles, each with a leg and hypotenuse prime. The hypotenuse of each triangle is the leg of the next triangle.at n=11A048295
• Pisot sequence L(4,9).at n=13A048582
• Primes p with an even number of digits such that each digit in the second half of p is larger by 1 than the corresponding digit in the first half.at n=27A241212
• Prime numbersat n=22069