\[\boxed{\mathbf{213}.}\]
\[x^{2} - 7x + 6 \geq 0\]
\[x_{1} + x_{2} = 7;\ \ \ x_{1} \cdot x_{2} = 6\]
\[x_{1} = 6;\ \ \ x_{2} = 1\]
\[(x - 1)(x - 6) \geq 0\]
\[x \in ( - \infty;1\rbrack \cup \lbrack 6;\ + \infty).\]