88

This number is a composite.

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There are 88 prime numbers that have only odd digits and have no duplicate digits. [Gaydos]

The sum of the first 88 emirps is 88 thousand. [Gaydos]

The third Honaker number equals the sum of the first two Honaker numbers (32 + 56). [Gaydos]

The smallest positive integer that has twice the sum of digits as its prime factorization (2*2*2*11). [Gaydos]