Compare natural numbers and positive integers.

Positive integers

              Positive integers are defined in such a way that they are greater than zero. They lie to the right of zero on a horizontal number line and are greater than zero and negative integers.

1,2,3,..... are positive integers.

Natural Numbers:

The digits 1, 2, 3, 4, 5, 6,7, 8, 9 and so on were used to count. These counting numbers form the set of Natural numbers.

Natural numbers are used for counting (as in "there are six coins on the table") and ordering (as in "this is the third largest city in the country"). Therefore, counting numbers are called as Natural numbers.

Natural numbers = {1, 2, 3, 4, 5.....}

Therefore,

Natural numbers are essentially the same as positive integers.