7103

This number is a prime.

This prime can be formed using the first five primes: (2³ + 5⁷)/11. [Brown]

The only prime formed from a double digit emirp, (73), by inserting the sum of its digits between them. [Loungrides]

7103 is formed by concatenating 7 and 103, which are the prime factors of 6!+1. [Galliani]

(7!*1!-0!)*3! -/+ 7103 produces two primes, 23131 and 37337. [Galliani]