# IsPowerOfTwo(int)

> Returns true if a positive value is a non-zero power of two.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Collections](/engine/6000.7/script-reference/unity/collections.md)
* **Assembly:** UnityEngine.ManagedKernelModule

```csharp
public static bool IsPowerOfTwo(int value)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): A positive value.

### Returns

| Type                                                          | Description                                             |
| ------------------------------------------------------------- | ------------------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | True if the value is a non-zero, positive power of two. |

### Remarks

Result is invalid if `value < 0`.