0.4602624046026240460...

This number is neither prime nor composite.

                                       0.46 0262404602 6240460262 4046026240

A nearly prime sequence is produced, as the even n ending in 0,4,6 ... is added to 7. Example: 0+7, 4+7, 6+7, 10+7, 12+7, 16+7, 22+7, 24+7, 30+7, 34+7, 36+7, 40+7, 42+7.... [McAlee]