CHAT: Icelandic Numbers (was: Re: CHAT: San Marino)

From: "Oskar Gudlaugsson"

> If any special characters I wrote here are not presenting properly, please
> tell me. I'm trying to fix this problem, but I can't verify it myself.
Looks good from here.

> Er, I'm no expert on German, but on the issue of other Germanic languages,
> I'd protest. Ice: "einn hundur, tveir hundar", Dan: "en hund, to hunde",
> etc. However, a few word classes, notably neuter words, in Icelandic, are
> the same in plural and singular (in nom and acc); Ice: "eitt hús, tvö
hús".

I can understand an einn/eitt distinction, but does this go on for other
numbers as well?
Tveir/tvö (masc/fem [or common] as opposed to neuter?) Just for one and two?
One, two, and three? All the non-combinable forms? Across all cases? Please
expound.

Kou