Je was op zoek naar: ordinal number (Engels - Wels)

ordinal number
trefnol

number
rhif

number:
& arddull:

{number}
/

8 (number)
wyth

prime number
rhif cysefin

the difference being the movement of the ordinal number from preceding the object to succeeding it.
yr hyn sy'n wahanol yw fod y trefnolyn yn newid o fod o flaen y gwrthrych i fod ar ei ôl.

in cases such as this, it is important that the user interface provided is neutral to this issue by not requiring a fixed relationship between the ordinal number and the object.
mewn achosion or fath, maen bwysig fod y rhyngwyneb defnyddiwr a ddarperir yn niwtral mewn perthynas âr mater hwn trwy beidio â chael perthynas osodedig rhwng y trefnolyn ar gwrthrych.

numbers
rhifau