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|Searchable database up to the number 10,000. Checks more than 40 fun predefined properties of numbers, and shows many original and unique properties of an input number. See also this math coach's math blog, lectures, and more from her home page.|
|Levels:||Middle School (6-8), High School (9-12), College|
|Resource Types:||Recreations, Reference Sources|
|Math Topics:||Number Theory|
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