C Integer Constant

Rules for constructing Integer constant:-

No	Rule	Integer
1	Decimal	Point Not Allowed
2	Sign	Positive or Negative
3	Default Sign	Positive
4	No of Digits	At least 1
5	Min Value	-32768
6	Max Value	+32767

Some important Tips :-

• The range of the integer constant depends on the compiler. The above mentioned range is for 16-bit compiler.
• Integer Value does not have decimal point.
• Integer Value may be positive or negative. even 0 is also considered as Integer.
• Integer Constant Value is assigned to integer variable.
• Arithmetic Operations can be performed on Integer Value such as addition,subtraction,multiplication and division.
• 2 bytes in memory is allocated for Integer Value

Examples of integer constants :-

1. Whole Numbers
2. Real Numbers i.e 10,-10,0