Index.format(name=False, formatter=None, **kwargs)

Index.set_names(names, level=None, inplace=False)

Index.get_level_values(level)

Index.sortlevel(level=None, ascending=True, sort_remaining=None)

Index.ndim return the number of dimensions of the underlying data, by definition 1

Index.is_type_compatible(kind)

Index.symmetric_difference(other, result_name=None)

Index.is_numeric()

Index.nlevels

Index.size return the number of elements in the underlying data