Hexhexhexium (Hhh)
Hexhexhexium is the systematic name of the theoretical 666º element in the periodic table with a symbol of Hhh and atomic number of 666. Hexhexhexium, also known as element 666, has seiscentos e sessenta e seis protons in its nucleus, and seiscentos e sessenta e seis electrons in its shells.