Name periods

~6 min

Split a large number into periods of three digits: ones, thousands, and millions.

Grouping Digits into Periods

5,231,084
millions
thousands
ones

Large numbers are organized into groups of three digits called periods. Counting from the right, the first period is the ones, the second is the thousands, and the third is the millions.

💡 Always use a comma to separate each group of three digits.