15 in Russian

15
Numeral
15
Cardinal
пятнадцать (pyatnadtsatʹ)
Ordinal
пятнадцатый (pyatnadtsatyy)

Nearby Russian Numbers

15 in Other Languages

About 15 in Russian

The number 15 in Russian is пятнадцать (pyatnadtsatʹ). The ordinal form — used for rankings, dates, and sequences — is пятнадцатый (pyatnadtsatyy).

The number 15 is odd. Knowing how to say 15 in Russian is useful in everyday situations such as prices, addresses, ages, dates, phone numbers, and telling the time.

Numbers such as 15 are foundational to Russian fluency. Once you can confidently hear and produce numbers in real conversations, a huge range of everyday interactions become accessible.

Learning Numbers in Russian

What makes Russian numbers challenging

Russian numbers decline through six cases AND interact with nouns via three different grammatical patterns depending on the number. The soft sign (ь) appears in many number words (пять, шесть, семь) and affects pronunciation in ways English speakers find subtle. Compound numbers like пятьдесят (50) decline in the middle of the word, not just at the end. Phone numbers may use a mix of individual digits and two-digit pairs. The domestic prefix 8 and international +7 are interchangeable within Russia but confuse visitors.

Tips for learning Russian numbers

For listening comprehension, start with the nominative forms of 0-9 — these are used for phone numbers, prices, and addresses. Russian Cyrillic makes numbers visually different from what English speakers expect, so practice reading as well as listening. The soft sign pronunciation comes naturally with exposure. Focus on the 1-4 vs 5+ noun pattern first — this covers most everyday situations. Russian prices (rubles) and metro station numbers make great real-world practice.