39 in words
39
thirty-nine
39 is written thirty-nine.
Ways to write it
- As an ordinal
- thirty-ninth
- Roman numeral
- XXXIX
- Expanded form
- 30 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| tens | 3 | 30 |
| ones | 9 | 9 |
Number facts
Quick check
What number comes just after 39?
Show the answer
40
Is 39 even or odd?
Show the answer
Odd
What is 39 + 10?
Show the answer
49
Practise with a game
Place Value Quest
Ones, tens, hundreds and thousands.
Times Tables Challenge
Practise any times table from 2× to 12×.Frequently asked questions
How do you write 39 in words?
39 is written "thirty-nine".
Is 39 a prime number?
No. 39 is a composite number, because it has more than two factors.
What are the factors of 39?
The factors of 39 are 1, 3, 13 and 39.
How do you write 39 in Roman numerals?
39 in Roman numerals is XXXIX.