Number

The Number function converts the input value into a number type. If the input number isn't numerical, the function returns Null.

The function returns Null if conversion is not possible.

The Number function can be used within other functions to ensure that an input is being read as a number.

Syntax

Number(input)

Function argument:

input

Required

The text, date, or number to convert to number

Sigma interprets Dates that are converted to numbers as Unix-style timestamps or the number of seconds after January 1st, 1970.

Examples

Number("15.25") Number(15.25)

Both forms return 15.25.

Number("5.073456E10") Number(5.073456E10)

Both forms return 50734560000, because it interprets E as exponent notation.

Number("22253908723450973459872359073459073459073549734597")

Returns 2.2253908723450973e+49, compacting the number into exponent notation.

Number("953,486")

Returns Null, because it does not interpret the comma as a thousands separator.

Number("75%")

Returns Null, because it does not interpret the % as a percentage

Number("$75.347")

Returns Null

Number("#876")

Returns Null, because it does not interpret the # as hexadecimal indicator.

Number("N") Number("True") Number("False")

All these return Null, because the arguments are not numeric.

Number(2023-07-12 22:58:26)

Returns 1689202706 or the number of seconds between January 1st, 1970 and the date value.