つ
Counts anything with no counter of its own.
The counter
- readingつ
- soundno change
One to ten, and 何
一つ
ひとつ
二つ
ふたつ
三つ
みっつ
四つ
よっつ
五つ
いつつ
六つ
むっつ
七つ
ななつ
八つ
やっつ
九つ
ここのつ
十
とお
いくつ
The series ends at 10 — past it the numeral stands alone.
Read any number
百ひゃく