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Natural Numbers

Definition
The numbers 1, 2, 3, 4, 5,.... and so on..... all are called Natural Numbers.
For example = 234, 45322, 21, 8, 34, 135 all are Natural Numbers.

Note = Zero and Negative numbers like -12, -1939, are not natural numbers.

Following are some more examples on Natural Numbers.

Example 1 = From the given series of numbers, find natural numbers.
Given series = 23, 0, 55, 890, 34, -45, -33, 323
Answer = From the given series pick and separate Zero and negative numbers and we get
Natural Numbers = 23, 55, 890, 34, 323

Example 2 = From the given series of numbers, find natural numbers.
Given series = 4, (0.43), 45, 900, -9, 0, -47
Answer = From the given series pick and separate Zero, negative numbers and decimal numbers and we get
Natural Numbers = 4, 45, 900.

Example 3 = From the given series of numbers, find natural numbers.
Given series = 43, 4/5, 0, (0.987), 20, -67, -7, 2
Answer = From the given series pick and separate Zero, negative numbers, fractional numbers and decimal numbers and we get
Natural Numbers = 43, 20, 2.