ISNUMBER

Checks 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