This is the 2879th most frequent Chinese word.
數個
Several.
The word “數個” in this sentence means “several” or “a few”, indicating an unspecified small quantity of friends.
我有數個朋友住在不同的城市。
I have several friends living in different cities.
The word “數個” here indicates a small unspecified number of weeks, emphasizing a relatively short period.
數個星期後，我便能完成這個項目。
In a few weeks, I will be able to complete this project.
The word “數個” in this sentence implies a variety of different colors available, though it's an unspecified number.