ISNUMBERChecks whether a value is a number.
Sample Usage
ISNUMBER(A2)
ISNUMBER(4)
Syntax
ISNUMBER(value)
value – The value to be verified as a number.
*ISNUMBER returns TRUE if this is a number or a reference to a cell containing a numeric value and FALSE otherwise.
Notes
This function is most often used in conjunction with IF in conditional statements.
Note that supplying a number enclosed in a string (e.g. ISNUMBER(“123”)) will cause this function to return FALSE.
See Also
ISTEXT: Checks whether a value is text.
ISREF: Checks whether a value is a valid cell reference.
ISODD: Checks whether the provided value is odd.
ISNONTEXT: Checks whether a value is non-textual.
ISNA: Checks whether a value is the error `#N/A`.
ISLOGICAL: Checks whether a value is `TRUE` or `FALSE`.
ISEVEN: Checks whether the provided value is even.
ISERROR: Checks whether a value is an error.
ISERR: Checks whether a value is an error other than `#N/A`.
ISBLANK: Checks whether the referenced cell is empty.
IF: Returns one value if a logical expression is `TRUE` and another if it is `FALSE`.
Examples