342 in Roman Numerals
342 in Roman numerals is CCCXLII, and is spelled three hundred forty-two.
How to write 342 in Roman numerals
To write 342 in Roman numerals, combine CCC (300), XL (40) and II (2) to get CCCXLII.
The numeral CCCXLII is read from left to right, from the largest value to the smallest, adding each symbol as you go. It uses subtractive notation — XL — where a smaller symbol placed before a larger one is subtracted rather than added (for example, XL means 50 − 10 = 40).
| Value | Roman |
|---|---|
| 300 | CCC |
| 40 | XL |
| 2 | II |
| 342 | CCCXLII |
Facts about the number 342
- 342 is an even number.
- 342 is a composite number. Its prime factorization is 2 × 32 × 19.
- The digits of 342 add up to 9.
- 342 has 12 divisors.
342 in other number systems
| Decimal | 342 |
| Roman | CCCXLII |
| Binary | 101010110 |
| Octal | 526 |
| Hexadecimal | 156 |
Frequently asked questions
How do you write 342 in Roman numerals?
342 is written as CCCXLII in Roman numerals.
What does the Roman numeral CCCXLII mean?
CCCXLII represents the number 342 (three hundred forty-two).
Is 342 a prime number?
No, 342 is a composite number.
What is 342 in binary and hexadecimal?
342 is 101010110 in binary and 156 in hexadecimal.
Related numbers
Or open 342 in the converter and browse the full Roman numerals chart.