136

This number is a composite.

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

+ The smallest three-digit number such that the absolute difference between any two digits is prime. Note that these differences create the only three-digit prime containing all three of the first three prime digits. [Loungrides]

+ The smallest Hoax number whose the reversal is prime. [Loungrides]

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