33 in words
33
thirty-three
33 is written thirty-three.
Ways to write it
- As an ordinal
- thirty-third
- Roman numeral
- XXXIII
- Expanded form
- 30 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| tens | 3 | 30 |
| ones | 3 | 3 |
Number facts
Quick check
What number comes just after 33?
Show the answer
34
Is 33 even or odd?
Show the answer
Odd
What is 33 + 10?
Show the answer
43
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 33 in words?
33 is written "thirty-three".
Is 33 a prime number?
No. 33 is a composite number, because it has more than two factors.
What are the factors of 33?
The factors of 33 are 1, 3, 11 and 33.
How do you write 33 in Roman numerals?
33 in Roman numerals is XXXIII.