43 in words
43
forty-three
43 is written forty-three.
Ways to write it
- As an ordinal
- forty-third
- Roman numeral
- XLIII
- Expanded form
- 40 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| tens | 4 | 40 |
| ones | 3 | 3 |
Number facts
Quick check
What number comes just after 43?
Show the answer
44
Is 43 even or odd?
Show the answer
Odd
What is 43 + 10?
Show the answer
53
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 43 in words?
43 is written "forty-three".
Is 43 a prime number?
Yes. 43 is a prime number: its only factors are 1 and 43.
What are the factors of 43?
The factors of 43 are 1 and 43.
How do you write 43 in Roman numerals?
43 in Roman numerals is XLIII.