13
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- 1 13
This is the basic number word for 13, formed from the words for ten and three.
13
It expresses the number 13 in quantities, ages, dates, times, labels, and other numerical contexts.
Learning notes
Explanation
สิบสาม is formed from สิบ “ten” and สาม “three” and means “thirteen.” When counting people or objects, Thai commonly uses the order noun + number + classifier. For example, นักเรียนสิบสามคน means “thirteen students,” and หนังสือสิบสามเล่ม means “thirteen books.” It is also used for ages, prices, dates, times, and identifying numbers. In Thai numerals, 13 is written ๑๓.
Usage
It is used in everyday situations involving the number 13, including quantities, ages, prices, dates, times, room numbers, and other labels. It is neutral and natural in both speech and writing.
Caution
When counting people or objects, place the appropriate classifier—such as คน for people or เล่ม for books—after the number. For the ordinal “thirteenth,” use ที่สิบสาม rather than สิบสาม alone.