1579

This number is a prime.

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

+ The largest prime that consists of odd digits concatenated in ascending order. [Loungrides]

+ The smallest 4-digit prime, with distinct digits, whose alternating the two internal digits another prime is created, (1759), concatenated from two double-digit primes. [Loungrides]

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