## 16 Comments

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I imagine there is a slight difference between **αριθμός** and **νούμερο**. What might that be?

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** αριθμός**is the word for number in mathematics and always the correct word : μονοί, ζυγοί αριθμοί/ odd, even numbers etc. Also: αριθμός ταυτότητας/ identification number etc. Ο αριθμός των θυμάτων/ the number of victims. I would not use

*νούμερο*in these cases.

τυχερό νούμερο/ lucky number, νούμερο τηλεφώνου/ phone number and things like that but you can also use *αριθμός*. Size is νούμερο

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Number viewed as a cardinality/quantity is called αρυθμός, while number viewed as an algebraic object/general purpose index is called νούμερο?

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What do you mean??? I do not understand you at all.
Both ** cardinal and algebraic numbers** are

**in Greek or**

*αριθμοί*1.** cardinal number** =

**was introduced by G. Cantor to measure the size of sets**

*πληθικός αριθμός*=*algebraic number**αλγεβρικός αριθμός*

ΟΡΙΣΜΟΣ Ένας αριθμός α καλείται αλγεβρικός αν είναι ρίζα ενός μη μηδενικού πολυωνύμου με ρητές συντελετές

DEFINITION: Α number α is called algebraic if it is a root of a non-zero polynomial with rational coefficients

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Both have the same meaning :)

I noticed that we hadn't added **αριθμός** as alternative. It has been corrected!

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Does that omission mean that αριθμός is less frequently used?

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Quite the opposite. Νούμερο is often used for numbers that come on series, as in clothes or shoes sizes, the number of a ticket for a queue, the number of a train, etc.

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And it should of course be ** το νούμερό μου** since

*νούμερο*is somehow considered to be one word with its suffix

**and then the accent on**

*μου***is too far away. In Finnish the noun is even written together with the possessive suffix**

*-ού-***, the**

*numeroni***is**

*-ni**μου/ my*

I feel like 'numeral' would make a difference here (in this particular case) in English.

*Number* is a count or a measurement.

*Numeral* a symbol or name that stands for a number.

The number is our idea, and the numeral is the way of expressing it.

Here, I feel like we are referring to the idea rather than the actual numeral. That is just my opinion though. ^.^