DataWeave 2.2 is compatible and bundled with Mule 4.2. Standard Support for Mule 4.2 ended on May 2, 2021, and this version of Mule will reach its End of Life on May 2, 2023, when Extended Support ends.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

toRadixNumber(Number, Number): String

Transforms a decimal number into a number string in other radix.

Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.


Name Description


The decimal number.


The radix of the result number.


This example shows how the toRadixNumber behaves under different inputs.


%dw 2.0
import toRadixNumber from dw::core::Numbers
output application/json
    a: toRadixNumber(2, 2),
    b: toRadixNumber(255, 16)


  "a": "10",
  "b": "ff"

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