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 שמונה מאות שלושים ותשע protons in its nucleus, and שמונה מאות שלושים ותשע electrons in its shells.