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To add the rectangular numbers between 11 and 17, we first need to understand what rectangular numbers are. Rectangular numbers are numbers that can be represented as a rectangle with a certain number of rows and columns. In this case, the rectangular numbers between 11 and 17 are 12 (3x4) and 16 (4x4). Adding these two rectangular numbers together gives us 28.
Oh, dude, adding rectangular numbers is like adding the squares of the numbers, right? So, we've got 11^2 + 12^2 + 13^2 + 14^2 + 15^2 + 16^2 + 17^2. Just plug those into your calculator and you'll get the answer!
Sure thing, honey! The rectangular numbers between 11 and 17 are 12 and 16. So, just add those bad boys up and you'll get 28. Voila!
Well, honey, none of the numbers between 3 and 11 are rectangular. Rectangular numbers are the product of two consecutive integers, like 6 (2x3) or 12 (3x4). So, in this case, you're out of luck if you're looking for rectangular numbers between 3 and 11.
4, 6, 8, 9, 19
All numbers between -11 and 1, excluding -11 and including 1.
221
ALL of the numbers between 1 and 100 are rectangular numbers, except for 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.