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What is the formula of rectangular numbers?
Rectangular numbers are of the form n(n+1) for n = 1, 2, 3, 4, 5, 6, ... The first few rectangular numbers are: 2, 6, 12, 20, 30, 42, ...
Which numbers between 3 and 11 are rectangular?
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.
What are rectangular numbers?
rectangular numbers are numbers just displayed in the shape of a rectangle e.g take the number 6 it can be shown as: ** ** or ****** **
What are the rectangular numbers between 3 and 11?
4, 6, 8, 9, 19
Is 8 an oblong number?
No. Oblong numbers are rectangular numbers with the length one longer than the width, ie they are of the form n(n+1) = n2 + n. The first few oblong numbers are 2, 6, 12, ... 8 is not one of these.
