127787377

Properties

Appears in sequences

• Concatenation of prime p and nextprime(p) is prime -> cycles of 4 steps possible.at n=0A036341
• Let q = p | p' be the digit concatenation of a prime p with its prime successor. If the result is a prime repeat the construction setting p = q. a(n) is the smallest prime for which this can be repeated exactly n times.at n=4A334885
• Prime numbersat n=7259607