firewall
8 - 7
6 - 5
4 - 3
2 - 1
front
#1 cylinder is on the front right side of the engine.
Cylinder #1 is front on drivers side. Drivers side is 1-3-5-7 Pass side is 2-4-6-8.
Cylinder 1 is the first/front cylinder on the right side of the engine looking from the front of the car. That bank is 1-3-5-7 and the left bank is 2-4-6-8.
Cylinder #1 is the drivers side front cylinder on the engine. Drivers side is 1-3-5-7 passanger side is 2-4-6-8.
As factors, just 1.
The number 1 cylinder is the cylinder to the right when you open the hood.
455 is not a fraction but an integer. It may be written as 455/1 in which case the denominator is 1.
number 1 cylinder drivers side.
cylinder #1 is the first cylinder on the front of the engine
cylinder # 1 is the front cylinder on your straight 6
Number 1 is the cylinder closest to the timing belt. Mind you: Cylinder #1 is not the first cylinder to fire in the firing sequence.
On a 4-cylinder engine with a firing order of 1342, if number 1 cylinder is on the exhaust stroke, the number 3 cylinder will be on the induction stroke.