Which one of these two is correct?

(1) "У меня есть пять комнат."


(2) "У меня есть пять комнаты"

I also noticed that if using номер. I get a slightly different answer:

Сколько у вас номер? "У меня есть пять номеров."

Why does the номер switch over to -OB?

  • What do you mean by "номер"? Will you say that in English?
    – Yellow Sky
    Oct 7, 2015 at 23:37
  • "номер" I have been told is a hotel room. When I used "номер" in the speech machine I got: "У меня есть пять номеров." The -OB, is that genitive pluralis that kicks in, in this case?
    – Ana
    Oct 7, 2015 at 23:44
  • The question should be "сколько у вас номеров?"
    – Anixx
    Oct 8, 2015 at 2:50
  • 1
    @Ana, I guess it was supposed to be "Сколько у вас комнат в номере?" – "У меня в номере пять комнат" (the verb "есть" is normally dropped in Russian and "номер" contains one or more rooms, just like a flat does) Oct 8, 2015 at 5:02
  • У меня есть пять комнат implies that you probably have five rooms in different apartments (yes, sometimes apartments are owned on per-room basis).
    – alamar
    Oct 9, 2015 at 13:50

2 Answers 2


The rules are pretty well known and hard-set:

  • any number ending on "один" (like "сто тридцать тысяч двести пятьдесят один") requires the noun to be singular in nominative case.
  • any number ending on "два", "три" или "четыре" requires the noun to be singular in genitive case.
  • any other number (including "teens") requires the noun to be plural in genitive case.

According to that rule,

У меня есть пять ко́мнат.

"Ко́мнат" – genitive of "ко́мнаты", which is plural of "ко́мната".


У меня есть пять номеро́в.

"Номеро́в" – genitive of "номера́", which is plural of "но́мер".


У меня пять комнат или В моём номере пять комнат (если речь идёт о номере в отеле). Глагол есть в этих конструкциях не нужен.

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