Octtriennium (Ote)
Octtriennium is the systematic name of the theoretical 839-шы element in the periodic table with a symbol of Ote and atomic number of 839. Octtriennium, also known as element 839, has сегіз жүз отыз тоғыз protons in its nucleus, and сегіз жүз отыз тоғыз electrons in its shells.