THINK++ — Engineering Visualized

📖 LESSON

Number Properties

Understanding the basic properties of numbers (parity, divisibility, etc.) can help you solve many logic problems without complex code.

Even + Even = Even

Sum of any two even numbers is always even.

Even + Odd = Odd

Sum of an even and an odd number is always odd.

Odd * Odd = Odd

Product of any two odd numbers is always odd.

N % 2

Check parity (0 for even, 1 for odd).

Number Properties

Simulation Lab v2.0

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💡 Number Theory

Always keep parity in mind. Many complex problems can be simplified to "Does the answer have to be even or odd?". This single observation can sometimes be the entire solution.

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