Is a field/type numeric C#

IsNumeric.cs

    private static HashSet<Type> NumericTypes = new HashSet<Type>
        {
            typeof(decimal), typeof(byte), typeof(sbyte), typeof(double)
            ,typeof(short), typeof(ushort), typeof(Single), typeof(UInt16)
            ,typeof(Int16), typeof(Int32), typeof(UInt32),typeof(UInt64)
            ,typeof(Int64), typeof(float)
        };
        
    public static bool IsNumeric(Type type)
    {
        return NumericTypes.Contains(type) ||
               NumericTypes.Contains(Nullable.GetUnderlyingType(type));
    }