816 in words
816
eight hundred sixteen
816 is written eight hundred sixteen.
Ways to write it
- As an ordinal
- eight hundred sixteenth
- Roman numeral
- DCCCXVI
- Expanded form
- 800 + 10 + 6
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 8 | 800 |
| tens | 1 | 10 |
| ones | 6 | 6 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408 and 816 (20 factors)
- First 10 multiples
- 816, 1,632, 2,448, 3,264, 4,080, 4,896, 5,712, 6,528, 7,344, 8,160
- Square
- 816 × 816 = 665,856
- Square root
- ≈ 28.57
- Sum of the digits
- 8 + 1 + 6 = 15
- Rounded to the nearest 10
- 820
- Rounded to the nearest 100
- 800
- Number before
- 815
- Number after
- 817
- In binary
1100110000
Quick check
What number comes just after 816?
Show the answer
817
Is 816 even or odd?
Show the answer
Even
What is 816 + 10?
Show the answer
826
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 816 in words?
816 is written "eight hundred sixteen".
Is 816 a prime number?
No. 816 is a composite number, because it has more than two factors.
What are the factors of 816?
The factors of 816 are 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408 and 816.
How do you write 816 in Roman numerals?
816 in Roman numerals is DCCCXVI.