670 in words
670
six hundred and seventy
670 is written six hundred and seventy.
Ways to write it
- As an ordinal
- six hundred and seventieth
- Roman numeral
- DCLXX
- Expanded form
- 600 + 70
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 6 | 600 |
| tens | 7 | 70 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 5, 10, 67, 134, 335 and 670 (8 factors)
- First 10 multiples
- 670, 1,340, 2,010, 2,680, 3,350, 4,020, 4,690, 5,360, 6,030, 6,700
- Square
- 670 × 670 = 448,900
- Square root
- ≈ 25.88
- Sum of the digits
- 6 + 7 + 0 = 13
- Rounded to the nearest 10
- 670
- Rounded to the nearest 100
- 700
- Number before
- 669
- Number after
- 671
- In binary
1010011110
Quick check
What number comes just after 670?
Show the answer
671
Is 670 even or odd?
Show the answer
Even
What is 670 + 10?
Show the answer
680
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 670 in words?
670 is written "six hundred and seventy".
Is 670 a prime number?
No. 670 is a composite number, because it has more than two factors.
What are the factors of 670?
The factors of 670 are 1, 2, 5, 10, 67, 134, 335 and 670.
How do you write 670 in Roman numerals?
670 in Roman numerals is DCLXX.