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BigInteger.CompareTo Method (UInt64)

Compares this instance to an unsigned 64-bit integer and returns an integer that indicates whether the value of this instance is less than, equal to, or greater than the value of the unsigned 64-bit integer.

This API is not CLS-compliant. 

Namespace:  System.Numerics
Assembly:  System.Numerics (in System.Numerics.dll)

public int CompareTo(
	ulong other


Type: System.UInt64
The unsigned 64-bit integer to compare.

Return Value

Type: System.Int32
A signed integer that indicates the relative value of this instance and other, as shown in the following table.

Return value


Less than zero

The current instance is less than other.


The current instance equals other.

Greater than zero

The current instance is greater than other.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.