138139

Properties

Appears in sequences

• Primes formed by concatenating n with n+1.at n=19A030458
• Lucky numbers that are decimal concatenations of n with n + 1.at n=13A032651
• Numerators of continued fraction convergents to sqrt(172).at n=9A041316
• Numerators of continued fraction convergents to sqrt(387).at n=7A041734
• Primes whose decimal expansion is a concatenation of two or more consecutive increasing numbers (no leading zeros allowed).at n=20A052087
• Primes from merging of 6 successive digits in decimal expansion of the Champernowne Constant.at n=22A104949
• Primes formed by concatenating k with k+1, where k+1 is a prime.at n=10A134428
• Primes that are a concatenation of 2*k and 2*k+1 or 2*k and 2*k-1 for some k.at n=35A154530
• Primes formed from the concatenation of n and nextprime(n).at n=33A280376
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 6.at n=37A341087
• Prime numbersat n=12852