667 in words
667
six hundred sixty-seven
667 is written six hundred sixty-seven.
Ways to write it
- As an ordinal
- six hundred sixty-seventh
- Roman numeral
- DCLXVII
- Expanded form
- 600 + 60 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 6 | 600 |
| tens | 6 | 60 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 23, 29 and 667 (4 factors)
- First 10 multiples
- 667, 1,334, 2,001, 2,668, 3,335, 4,002, 4,669, 5,336, 6,003, 6,670
- Square
- 667 × 667 = 444,889
- Square root
- ≈ 25.83
- Sum of the digits
- 6 + 6 + 7 = 19
- Rounded to the nearest 10
- 670
- Rounded to the nearest 100
- 700
- Number before
- 666
- Number after
- 668
- In binary
1010011011
Quick check
What number comes just after 667?
Show the answer
668
Is 667 even or odd?
Show the answer
Odd
What is 667 + 10?
Show the answer
677
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 667 in words?
667 is written "six hundred sixty-seven".
Is 667 a prime number?
No. 667 is a composite number, because it has more than two factors.
What are the factors of 667?
The factors of 667 are 1, 23, 29 and 667.
How do you write 667 in Roman numerals?
667 in Roman numerals is DCLXVII.