266 in words
266
two hundred sixty-six
266 is written two hundred sixty-six.
Ways to write it
- As an ordinal
- two hundred sixty-sixth
- Roman numeral
- CCLXVI
- Expanded form
- 200 + 60 + 6
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 2 | 200 |
| tens | 6 | 60 |
| ones | 6 | 6 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 7, 14, 19, 38, 133 and 266 (8 factors)
- First 10 multiples
- 266, 532, 798, 1,064, 1,330, 1,596, 1,862, 2,128, 2,394, 2,660
- Square
- 266 × 266 = 70,756
- Square root
- ≈ 16.31
- Sum of the digits
- 2 + 6 + 6 = 14
- Rounded to the nearest 10
- 270
- Rounded to the nearest 100
- 300
- Number before
- 265
- Number after
- 267
- In binary
100001010
Quick check
What number comes just after 266?
Show the answer
267
Is 266 even or odd?
Show the answer
Even
What is 266 + 10?
Show the answer
276
Practice 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 266 in words?
266 is written "two hundred sixty-six".
Is 266 a prime number?
No. 266 is a composite number, because it has more than two factors.
What are the factors of 266?
The factors of 266 are 1, 2, 7, 14, 19, 38, 133 and 266.
How do you write 266 in Roman numerals?
266 in Roman numerals is CCLXVI.