Rekisterinumero on oikea.

The license plate number is correct.

Breakdown of Rekisterinumero on oikea.

• olla: to be
• oikea: correct
• rekisterinumero: the license plate number

Questions & Answers about Rekisterinumero on oikea.

What does rekisterinumero mean?

Rekisterinumero means registration number.

It is a compound noun:

• rekisteri = register, registry
• numero = number

In many everyday contexts, it can refer to a vehicle’s registration number, depending on the situation.

Why is rekisterinumero written as one word?

Finnish forms compound nouns very freely, and they are usually written as a single word.

So:

• rekisteri
  • numero → rekisterinumero

This is very normal in Finnish. English often uses separate words where Finnish prefers one compound word.

What does on mean here?

On means is.

It is the 3rd person singular present tense of olla, which means to be.

So:

• minä olen = I am
• sinä olet = you are
• hän on = he/she is
• se on = it is

In this sentence, rekisterinumero on oikea literally means the registration number is correct.