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All integers that are not perfect squares.

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Q: Which numbers create only rectangular arrays?
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How many rectangular arrays does 73 have?

It's a prime number. Therefore the only rectangular array it has is 1*73 (or 73*1)


You have only one rectangular array and you are between the numbers 12 and 16 what number are you?

13...13x1.


Are prime numbers rectangular in shape?

No, they are the only numbers that are NOT rectangular in shape. (I think you knew this and screwed up your question.) That is, all non-primes can be arranged into the form of a rectangle - e.g. 21 can be organized as a rectangle with dimensions of 3 x 7. But prime numbers cannot be organized as rectangles.


Can you arrange 25 cans into arrays?

Oh, absolutely! Let's create some happy little arrays with those cans. We can arrange them in rows or columns, maybe in a square or rectangle shape. Just let your imagination guide you, and remember, there are no mistakes, only happy accidents.


Which 3D shape has rectangular faces only?

A rectangular prism, it has 6 rectangular faces.


What is memory leakage in terms of arrays?

leakage in arrays occur when you declare an array with big size and using only very few bytes.


Dynamically allocated array waste storage and time?

It's actually not true. In order to make a good program which can work with big arrays you have to use dynamic arrays because you can cleam memory used by dymanic arrays any time. For static arrays is not true, memery which was reserved for static arrays will be available for other applications only when you finish working with your application (which is working with static arrays).


What is the only flag that is not rectangular?

There are lots of non-rectangular flags: many of the flags used for maritime signalling are non-rectangular. The only non-rectangular national flag belongs to Nepal.


What is a 3d shape that has rectangular faces?

A rectangular prism is the only shape that is made up from only rectangular faces. But there are countless shapes which contain rectangular faces along with other shapes.


What multiplication fact be found be using the arrays 2x9 and 5x9?

7x9 is the multiplication fact that can be found using the arrays 2x9 and 5x9.


What is a solid figure that only has rectangular faces?

A rectangular prism or cuboid.


What shape has one and only one rectangular face?

There are many shapes that have one and only one rectangular face, but an example of one would be a rectangular pyramid.