654102011domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that can be written in binary representation as concatenation of two primes: p and p+2. That is, primes representable as p * 2^L + p+2, where p and p+2 are primes, and L is the length of binary representation of p+2: L = A070939(p+2).at n=23A232236Prime numbersat n=33995715