108127

Properties

Appears in sequences

• Numbers k such that (2^k - 1)^2 - 2 = 4^k - 2^(k+1) - 1 is prime.at n=33A091515
• Primes whose digit reversal is a triangular number.at n=21A115705
• Primes expressible as concatenation of phi(sigma(n)) and sigma(phi(n)).at n=12A228444
• Primes expressible as concatenation of phi(sigma(n)) and sigma(phi(n)).at n=14A228444
• Numbers that are the smallest of four consecutive primes, no three of which sum to a nonprime.at n=24A298763
• Prime numbersat n=10286