803 in words
803
eight hundred and three
803 is written eight hundred and three.
Ways to write it
- As an ordinal
- eight hundred and third
- Roman numeral
- DCCCIII
- Expanded form
- 800 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 8 | 800 |
| tens | 0 | 0 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 11, 73 and 803 (4 factors)
- First 10 multiples
- 803, 1,606, 2,409, 3,212, 4,015, 4,818, 5,621, 6,424, 7,227, 8,030
- Square
- 803 × 803 = 644,809
- Square root
- ≈ 28.34
- Sum of the digits
- 8 + 0 + 3 = 11
- Rounded to the nearest 10
- 800
- Rounded to the nearest 100
- 800
- Number before
- 802
- Number after
- 804
- In binary
1100100011
Quick check
What number comes just after 803?
Show the answer
804
Is 803 even or odd?
Show the answer
Odd
What is 803 + 10?
Show the answer
813
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 803 in words?
803 is written "eight hundred and three".
Is 803 a prime number?
No. 803 is a composite number, because it has more than two factors.
What are the factors of 803?
The factors of 803 are 1, 11, 73 and 803.
How do you write 803 in Roman numerals?
803 in Roman numerals is DCCCIII.