A whole number is a non-negative integer that does not have any fractional or decimal parts. In other words, it is a counting number without any fractions or decimals.
Whole numbers start from zero and extend infinitely in the positive direction, including numbers like 0, 1, 2, 3, 4, and so on.
They are fundamental in mathematics for counting, ordering, and performing arithmetic operations like addition and subtraction. Whole numbers are used to represent discrete quantities in many real-world applications and are a fundamental concept in elementary mathematics.