438 in Roman Numerals
438 in Roman numerals is CDXXXVIII, and is spelled four hundred thirty-eight.
How to write 438 in Roman numerals
To write 438 in Roman numerals, combine CD (400), XXX (30) and VIII (8) to get CDXXXVIII.
The numeral CDXXXVIII is read from left to right, from the largest value to the smallest, adding each symbol as you go. It uses subtractive notation — CD — where a smaller symbol placed before a larger one is subtracted rather than added (for example, CD means 500 − 100 = 400).
| Value | Roman |
|---|---|
| 400 | CD |
| 30 | XXX |
| 8 | VIII |
| 438 | CDXXXVIII |
Facts about the number 438
- 438 is an even number.
- 438 is a composite number. Its prime factorization is 2 × 3 × 73.
- The digits of 438 add up to 15.
- 438 has 8 divisors.
438 in other number systems
| Decimal | 438 |
| Roman | CDXXXVIII |
| Binary | 110110110 |
| Octal | 666 |
| Hexadecimal | 1B6 |
Frequently asked questions
How do you write 438 in Roman numerals?
438 is written as CDXXXVIII in Roman numerals.
What does the Roman numeral CDXXXVIII mean?
CDXXXVIII represents the number 438 (four hundred thirty-eight).
Is 438 a prime number?
No, 438 is a composite number.
What is 438 in binary and hexadecimal?
438 is 110110110 in binary and 1B6 in hexadecimal.
Related numbers
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