1/16 to the power of 1/12
$${\left({\frac{{\mathtt{1}}}{{\mathtt{16}}}}\right)}^{\left({\frac{{\mathtt{1}}}{{\mathtt{12}}}}\right)} = {\mathtt{0.793\: \!700\: \!525\: \!984\: \!099\: \!8}}$$