Numbers Чи́сла

22 Russian words on the topic of numbers — each with a picture, an audio recording and an example sentence. From zero to a million. After два, три, четы́ре the noun changes form (два часа́) — the notes flag it where it matters.

English	Russian · Ру́сский	Notes
zero	ноль	⚠️ GenderMasculine despite the soft sign. The variant нуль also exists.
one	оди́н	Agrees in gender: оди́н/одна́/одно́.
two	два	два for masc./neuter, две for feminine. ⚠️ IrregularAfter 2–4 the noun is genitive singular: два до́ма.
three	три	⚠️ IrregularLike два, it takes the genitive singular: три часа́ (three o'clock).
four	четы́ре	Last of the 2–4 group (четы́ре до́ма). ⚠️ IrregularFrom пять on, the noun goes genitive plural.
five	пять	⚠️ IrregularFrom 5 to 20 the noun is genitive plural: пять домо́в.
six	шесть	🔗 Word familyFamily: шестна́дцать (16), шестьдеся́т (60).
seven	семь	Ends in a soft sign: семь; so does во́семь.
eight	во́семь	Stress on the first syllable: во́семь. It stays there in во́семьдесят (80).
nine	де́вять	Don't mix up де́вять (9) and де́сять (10) — one letter apart.
ten	де́сять	🔗 Word familyThe -дцать of the teens (оди́ннадцать…) is a worn-down де́сять.
eleven	оди́ннадцать	🔗 Word familyLiterally 'one-upon-ten'. Note the double нн.
twelve	двена́дцать	🔗 Word familyBuilt from две, the feminine of два: 'two-upon-ten'.
fifteen	пятна́дцать	No soft sign in the middle: пятна́дцать — unlike пятьдеся́т (50).
twenty	два́дцать	🔗 Word familyдва + -дцать (a worn-down 'ten'); likewise три́дцать (30).
twenty-one	два́дцать оди́н	Two separate words, no 'and'. ⚠️ IrregularThe noun agrees with the last digit: два́дцать оди́н дом (singular).
thirty	три́дцать	The last ten built with -дцать. The pattern breaks at forty: со́рок.
forty	со́рок	⚠️ IrregularIrregular: со́рок (40) is not built like the other tens.
fifty	пятьдеся́т	Keeps the soft sign in the middle, stress at the end: пятьдеся́т; so does шестьдеся́т (60).
hundred	сто	⚠️ IrregularFollowed by the genitive plural: сто рубле́й.
thousand	ты́сяча	⚠️ IrregularFollowed by the genitive: ты́сяча рубле́й.
million	миллио́н	A real noun, so it declines. Note the double лл. ⚠️ Irregularмиллио́н + genitive.