The book is now available! 2137
(just those submitted by Avrutin)
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Just showing those entries submitted by 'Avrutin': (Click here to show all)

+ The product of the last two digits form a number that is equal to a number formed from the first two digits of this four-digit number (21 = 3 * 7). [Avrutin]

+ 7, 37, 137, and 2137 are prime. [Avrutin]

+ Number of Santa Barbara's episodes. [Avrutin]




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