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A rectangular umber is essentially a composite or non-prime number. If a number n is composite then it can be factorised as p*q. In that case, it can be represented as an array of p rows and q columns in a RECTANGULAR array.

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8y ago
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8y ago

A rectangular number is a number of the form n * (n + 1), where n is a positive integer.

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Q: What is a rectangular number?
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