342 in words
342
three hundred and forty-two
342 is written three hundred and forty-two.
Ways to write it
- As an ordinal
- three hundred and forty-second
- Roman numeral
- CCCXLII
- Expanded form
- 300 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 3 | 300 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171 and 342 (12 factors)
- First 10 multiples
- 342, 684, 1,026, 1,368, 1,710, 2,052, 2,394, 2,736, 3,078, 3,420
- Square
- 342 × 342 = 1,16,964
- Square root
- ≈ 18.49
- Sum of the digits
- 3 + 4 + 2 = 9
- Rounded to the nearest 10
- 340
- Rounded to the nearest 100
- 300
- Number before
- 341
- Number after
- 343
- In binary
101010110
Quick check
What number comes just after 342?
Show the answer
343
Is 342 even or odd?
Show the answer
Even
What is 342 + 10?
Show the answer
352
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 342 in words?
342 is written "three hundred and forty-two".
Is 342 a prime number?
No. 342 is a composite number, because it has more than two factors.
What are the factors of 342?
The factors of 342 are 1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171 and 342.
How do you write 342 in Roman numerals?
342 in Roman numerals is CCCXLII.