один means One in Russian language
Notes
- The numeral один (1) should be used in the proper form to indicate gender (and, number - один мальчик (one boy), - одна девушка (one girl), - одно животное (one animal), - одни джинсы (one [pair of] jeans). - for nominative (and inanimate accusative) items, use the following rule to select the proper form of the item: -- 1 -> nominative -- 2, 3, 4 -> genitive singular -- 5 and more -> genitive plural