42 in words
42
forty-two
42 is written forty-two.
Ways to write it
- As an ordinal
- forty-second
- Roman numeral
- XLII
- Expanded form
- 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
Quick check
What number comes just after 42?
Show the answer
43
Is 42 even or odd?
Show the answer
Even
What is 42 + 10?
Show the answer
52
Practice with a game
Place Value Quest
Ones, tens, hundreds and thousands.
Times Tables Challenge
Practice any times table from 2× to 12×.Frequently asked questions
How do you write 42 in words?
42 is written "forty-two".
Is 42 a prime number?
No. 42 is a composite number, because it has more than two factors.
What are the factors of 42?
The factors of 42 are 1, 2, 3, 6, 7, 14, 21 and 42.
How do you write 42 in Roman numerals?
42 in Roman numerals is XLII.