739397

Properties

Appears in sequences

• Numbers such that every prefix and suffix is 1 or a prime.at n=30A012884
• Primes that are both left-truncatable and right-truncatable.at n=14A020994
• Primes of the concatenated form 7nn7.at n=5A102501
• a(n) is the least prime that is the concatenation of two primes in exactly n different ways.at n=5A173935
• Smallest number whose decimal expansion is a concatenation of two primes in n different ways.at n=4A213072
• Super-prime leaders: right-truncatable primes p with property that appending any single decimal digit to p does not produce a prime.at n=17A239747
• Numbers such that, in base 10, all their proper prefixes and suffixes represent primes.at n=44A254751
• Largest prime that is both left-truncatable and right-truncatable in base n.at n=7A323137
• Irregular array read by rows, where T(n, k) is the k-th prime that is both left-truncatable and right-truncatable in base n.at n=70A323396
• Primes which satisfy the requirements of A380943 in exactly three ways.at n=5A383812
• Prime numbersat n=59489