64 in Roman Numerals
64 in Roman numerals is LXIV, and is spelled sixty-four.
How to write 64 in Roman numerals
To write 64 in Roman numerals, combine LX (60) and IV (4) to get LXIV.
The numeral LXIV is read from left to right, from the largest value to the smallest, adding each symbol as you go. It uses subtractive notation — IV — where a smaller symbol placed before a larger one is subtracted rather than added (for example, IV means 5 − 1 = 4).
| Value | Roman |
|---|---|
| 60 | LX |
| 4 | IV |
| 64 | LXIV |
Facts about the number 64
- 64 is an even number.
- 64 is a composite number. Its prime factorization is 26.
- The digits of 64 add up to 10.
- 64 has 7 divisors.
- 64 is a perfect square (82).
- 64 is a perfect cube (43).
64 in other number systems
| Decimal | 64 |
| Roman | LXIV |
| Binary | 1000000 |
| Octal | 100 |
| Hexadecimal | 40 |
Frequently asked questions
How do you write 64 in Roman numerals?
64 is written as LXIV in Roman numerals.
What does the Roman numeral LXIV mean?
LXIV represents the number 64 (sixty-four).
Is 64 a prime number?
No, 64 is a composite number.
What is 64 in binary and hexadecimal?
64 is 1000000 in binary and 40 in hexadecimal.
Related numbers
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