The book is now available! 101111111111
(another Prime Pages' Curiosity)
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                                                               10 1111111111
+ The smallest emirp formed from a composite number n followed by 1 repeated n times. [Silva]

+ The smallest 12-digit prime composed of 11 like digits and one different digit. [Katagiri]

+ The smallest near-repunit anti-Yarborough emirp. [Loungrides]

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