246247

Properties

Appears in sequences

• Primes formed by concatenating n with n+1.at n=29A030458
• Lucky numbers that are decimal concatenations of n with n + 1.at n=23A032651
• Primes whose decimal expansion is a concatenation of two or more consecutive increasing numbers (no leading zeros allowed).at n=30A052087
• Primes p == 1 (mod 3) such that ((p-1)/3)! == 1 (mod p).at n=9A152217
• Standard Jacobi primes.at n=29A275878
• Primes of the form (p^2+p+1)/3 where p is prime.at n=19A338299
• Primes formed by the concatenation of exactly two consecutive composite numbers.at n=14A342049
• Prime numbersat n=21733