318 in words
318
three hundred eighteen
318 is written three hundred eighteen.
Ways to write it
- As an ordinal
- three hundred eighteenth
- Roman numeral
- CCCXVIII
- Expanded form
- 300 + 10 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 3 | 300 |
| tens | 1 | 10 |
| ones | 8 | 8 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 6, 53, 106, 159 and 318 (8 factors)
- First 10 multiples
- 318, 636, 954, 1,272, 1,590, 1,908, 2,226, 2,544, 2,862, 3,180
- Square
- 318 × 318 = 101,124
- Square root
- ≈ 17.83
- Sum of the digits
- 3 + 1 + 8 = 12
- Rounded to the nearest 10
- 320
- Rounded to the nearest 100
- 300
- Number before
- 317
- Number after
- 319
- In binary
100111110
Quick check
What number comes just after 318?
Show the answer
319
Is 318 even or odd?
Show the answer
Even
What is 318 + 10?
Show the answer
328
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 318 in words?
318 is written "three hundred eighteen".
Is 318 a prime number?
No. 318 is a composite number, because it has more than two factors.
What are the factors of 318?
The factors of 318 are 1, 2, 3, 6, 53, 106, 159 and 318.
How do you write 318 in Roman numerals?
318 in Roman numerals is CCCXVIII.