9173

This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

The largest emirp formed with the four digits that can end multidigit primes. [Loungrides]

The largest left-truncatable prime (emirp) consisted of only odd distinct digits. [Loungrides]

The larger of only two emirps with distinct digits in English alphabetical order (Nine, One, Seven, Three). The other is 73. [Loungrides]

The largest prime (emirp) concatenated from two double-digit numbers, i.e., 91 and 73, having the same sum of digits. [Loungrides]