242243

Properties

Appears in sequences

• Primes formed by concatenating n with n+1.at n=28A030458
• Primes whose decimal expansion is a concatenation of two or more consecutive increasing numbers (no leading zeros allowed).at n=29A052087
• Primes p such that x^11 = 2 has a solution mod p, but x^(11^2) = 2 has no solution mod p.at n=12A070187
• n is prime and is the sum of the first k primes for some k, start from 5.at n=22A155851
• Primes having only {2, 3, 4} as digits.at n=44A199342
• Primes p such that p+/-2, p+/-4 and p+/-6 are semiprimes.at n=6A266847
• Primes formed by the concatenation of exactly two consecutive composite numbers.at n=13A342049
• Prime numbersat n=21409