112181

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 26.at n=25A031614
• Balanced primes separated from the next lower and next higher prime neighbors by 18.at n=22A053073
• Primes of the form x^2 + 17*y^2, where x and y=x+1 are consecutive natural numbers.at n=15A176622
• Primes that cannot become a different prime under any mapping of some single decimal digit <=> with some other single decimal digit.at n=15A180561
• Emirps that become their own reversals when rotated through 180 degrees (including on calculator display).at n=24A209620
• Prime numbersat n=10635