139397

Properties

Appears in sequences

• Substrings from the right are prime numbers (using only odd digits different from 5).at n=41A032437
• Doubly-transmutable primes: primes such that simultaneously exchanging pairwise all occurrences of any two disjoint pairs of distinct digits results in a prime.at n=3A108387
• Emirps using each of the digits 1, 3, 7, 9 at least once, but no others.at n=26A158917
• Numbers k that divide the sum of digits of 13^k.at n=78A175525
• Primes of the form 8n^2 + 5.at n=32A201612
• Prime numbers whose binary expansion contains only prime powers of 2 and the zeroth power.at n=30A342475
• Prime numbersat n=12958