Penttriennium (Pte)
Penttriennium is the systematic name of the theoretical 539वाँ element in the periodic table with a symbol of Pte and atomic number of 539. Penttriennium, also known as element 539, has पाँच सौ उनतालीस protons in its nucleus, and पाँच सौ उनतालीस electrons in its shells.