which countries are non members of the un
Member states of the United Nations In addition to the member states, there are two non-member permanent observer states: the Holy See and the State of Palestine.[53]
Member states of the United Nations In addition to the member states, the UN also invites non-member states to become observers at the UN General Assembly (currently two: the Holy See and Palestine), allowing them to participate and speak in General Assembly meetings, but not vote. Observers are generally intergovernmental organizations and international organizations and entities whose statehood or sovereignty is not precisely defined.
Secretary-General of the United Nations As of 2017, the Secretary-General is António Guterres, appointed by the General Assembly on 13 October 2016.
1 + 2 + 3 + 4 + ⋯ which increases without bound as n goes to infinity. Because the sequence of partial sums fails to converge to a finite limit, the series does not have a sum.