<!--
{
  "availability" : [
    "iOS: 18.0.0 -",
    "iPadOS: 18.0.0 -",
    "macCatalyst: 18.0.0 -",
    "macOS: 15.0.0 -",
    "tvOS: 18.0.0 -",
    "visionOS: 2.0.0 -",
    "watchOS: 11.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Swift",
  "identifier" : "/documentation/Swift/UInt128/min",
  "metadataVersion" : "0.1.0",
  "role" : "Type Property",
  "symbol" : {
    "kind" : "Type Property",
    "modules" : [
      "Swift"
    ],
    "preciseIdentifier" : "s:s7UInt128V3minABvpZ"
  },
  "title" : "min"
}
-->

# min

The minimum representable integer in this type.

```
static var min: UInt128 { get }
```

## Discussion

For unsigned integer types, this value is always `0`. For signed integer
types, this value is `-(2 ** (bitWidth - 1))`, where `**` is
exponentiation.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)