262

Number
$262$ (two hundred and sixty-two) is:


 * $2 \times 131$


 * The $17$th untouchable number after $2, 5, 52, 88, 96, 120, 124, 146, 162, 188, 206, 210, 216, 238, 246, 248$.


 * The $2$nd positive integer $n$ after $157$ for which $\phi \left({2 n + 1}\right) < \phi \left({2 n}\right)$:
 * $\phi \left({2 \times 262 + 1}\right) = 240, \phi \left({2 \times 262}\right) = 260$