Octtriennium (Ote)
Octtriennium is the systematic name of the theoretical 839. element in the periodic table with a symbol of Ote and atomic number of 839. Octtriennium, also known as element 839, has astoņsimt trīsdesmit deviņi protons in its nucleus, and astoņsimt trīsdesmit deviņi electrons in its shells.