number
The German word "Nummer" is used to denote a number, similar to the English word. It can refer to a numerical value, a sequence, or an identification code. For example, you can use it to refer to a telephone number, a house number, or a number in a list. It is important to note that in German, the word "Nummer" is often used in contexts where the English language might use "number" or "figure". For instance, when referring to a numbered list, you would say "Nummer eins" for "number one".
My mobile number is 0151 5555555.
In this sentence, 'Nummer' is used to denote a sequence of digits associated with a phone. It's a phrase someone might say in a situation where they are telling someone else their phone number.
This is the number of the room where I am staying.
Here, 'Nummer' is used to denote a specific identifier, in this case the number of a room. This could be said when checking into a hotel, or when guiding someone to where one is staying.
I have forgotten my identification number.
In this sentence, 'Nummer' refers to an identification number. It's a phrase that could be used in a situation where you're trying to log into an online account.