1499
This number is a prime.
An emirp that remains prime if any digit is deleted. [Post]
(1499, 1511, 1523) is the first "dozen" emirp triple. (A
"dozen" prime triple is a sequence consisted of three
consecutive primes that differ by 12). [Loungrides]
There are 1499 five-digit reversible primes. [Goins]
There are exactly one thousand ones in the first 1499 positive
integers. [Gaydos]
(There is one curio for this number that has not yet been approved by an editor.)
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