Q: Are all natural numbers also whole numbers?

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Natural numbers = Whole numbers are a subset of integers (not intrgers!) which are a subset of rational numbers. Rational numbers and irrational number, together, comprise real numbers.

No. All natural numbers are whole numbers greater than zero. Think of natural numbers as the numbers you count with. 1 2 3 4 5 6... and so on.

There is some disagreement. Some people include zero in the set of natural numbers (like whole numbers), some people don't (like counting numbers).

No - the ONLY natural number which has a reciprocal which is also a natural number is "1". All the other reciprocals of natural numbers will be fractions that are less than 1.

positive integers

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they are almost all equivalent - whole numbers also have the number 0, which natural numbers (counting numbers) do not.

56 is a rational whole natural number. Or to put it another way: 56 is a Natural number, but as all natural numbers are also whole numbers 56 is also a whole number, but as all whole numbers are also rational numbers 56 is also a rational number. Natural numbers are a [proper] subset of whole numbers; Whole numbers are a [proper] subset of rational numbers. The set of rational numbers along with the set of irrational numbers make up the set of real numbers

All except zero.Yes, except for 0 itself

Yes, they are.

Yes. Every whole number and every whole negative number and zero are all integers.

No. Negative integers are whole numbers but not natural.

Yes, all natural numbers are whole numbers.

No. All natural numbers are whole numbers.

It depends, many people do count 0 as a natural number, but MOST do not. So for most HS text book, the answer is NO, all whole numbers are not natural numbers and the reason is 0 is a whole number but not a natural number.

All of the natural numbers.

0 and negative integers are all whole numbers but they are not natural numbers.

Yes, the set of whole number is all of the natural numbers, plus zero.