99103

Properties

Appears in sequences

• Primes that are concatenations of k with k + 4.at n=12A032627
• Lucky numbers that are concatenations of n with n + 4.at n=10A032654
• Total number of restricted right truncatable primes in base n.at n=45A133757
• Primes that remain prime when a single digit 7 is inserted between any two consecutive digits or as the leading or trailing digit.at n=31A215420
• Primes of the form 2*n^2 + 82*n + 39.at n=23A217620
• Prime numbersat n=9514