876721
domain: N
Properties
Primality
- Prime
- yes
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 74.at n=21A031662
- Smallest odd prime number Q such that Q*2^P-1 is also prime with P Mersenne prime exponent A000043(n).at n=28A249383
- Prime numbersat n=69584