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Numbers post two Posted by on Oct 10, 2011 in Icelandic grammar

Here are the remaining things I have for numbers. If you don’t understand anything, if I missed something, or if you didn’t learn dative case for example, just tell me and I’ll write another post.

Accusative:

Karlkyn Kvenkyn Hvorugkyn

einn

eina

eitt

tvo

tvær

tvö

þrjá

þrjár

þrjú

fjóra

fjórar

fjögur

Dative:

Karlkyn Kvenkyn Hvorugkyn

einum

einni

einu

tveimur

þremur

fjórum

Genitive:

Karlkyn Kvenkyn Hvorugkyn

eins

einar

eins

tveggja

þriggja

fjögurra

You use genitive numbers when telling how old you are. For example, “ég er tuttugu og eins ára gamall”. That’s just what I was taught, unfortunately I don’t know why you do it. You also use genitive when talking about degrees, “4°C – fjögurra stiga hiti” and “-2°C – tveggja stiga frost”.

Exception: tvítugur (adjective) is used to mean someone is twenty years old. (If you’re talking about a female, you’d use “tvítug”.)

Einu sinni, once. (here’s something to let you remember this) and here are the lyrics plus just the song.
Tvisvar (sinnum), twice.
Þrisvar (sinnum), thrice.
Fjórum sinnum, four times.
Fimm sinnum, five times.

Ordinal numbers:
These are the numbers like “first, second, fifteenth” that we use for floors numbers and dates. If you know the cardinal numbers, which are the regular type of numbers, then you can recognize which numbers here are which.

First: fyrsti (declines to firsta)
Second: annar (karlkyn) / önnur (kvenkyn) / annað (hvorugkyn)
Third: þriðji (declines to þriðja)
Fourth: fjórði (declines to fjórða)
fimmti
sjötti
sjöundi
áttundi
níundi
tíundi

ellefti
tólfti
þrettándi
fjórtándi
fimmtándi
sextándi
sautjándi
átjándi
nítjándi

tuttugasti
þrítugasti
fertugasti
fimmtugasti
sextugasti
sjötugasti
áttugasti
nítugasti
hundraðasti

tvöhundruðasti
þrjúhundruðasti
fjögurhundruðasti
fimmhundruðasti
sexhundruðasti
sjöhundruðasti
áttahundruðasti
níuhundruðasti
þúsundasti
tvöþúsundasti
milljónasti

Karlkyn:
tuttugasti og fyrsti
tuttugasti og annar
tuttugasti og þriðji
tuttugasti og fjórði…

Kvenkyn:
tuttugasta og fyrsta
tuttugasta og önnur
tuttugasta og þriðja
tuttugasta og fjórða…

Hvorugkyn:
tuttugasta og fyrsta
tuttugasta og annað
tuttugasta og þriðja
tuttugasta og fjórða…

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About the Author: sequoia

I try to write about two-thirds of the blog topics on cultural aspects and one-third on the language, because there's much more out there already on the language compared to daily life information. I try to stay away from touristy things because there's more of that out there than anything else on Iceland, and I feel like talking about that stuff gives you the wrong impression of Iceland.