449 in words
449
four hundred and forty-nine
449 is written four hundred and forty-nine.
Ways to write it
- As an ordinal
- four hundred and forty-ninth
- Roman numeral
- CDXLIX
- Expanded form
- 400 + 40 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 4 | 400 |
| tens | 4 | 40 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 449 (2 factors)
- First 10 multiples
- 449, 898, 1,347, 1,796, 2,245, 2,694, 3,143, 3,592, 4,041, 4,490
- Square
- 449 × 449 = 201,601
- Square root
- ≈ 21.19
- Sum of the digits
- 4 + 4 + 9 = 17
- Rounded to the nearest 10
- 450
- Rounded to the nearest 100
- 400
- Number before
- 448
- Number after
- 450
- In binary
111000001
Quick check
What number comes just after 449?
Show the answer
450
Is 449 even or odd?
Show the answer
Odd
What is 449 + 10?
Show the answer
459
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 449 in words?
449 is written "four hundred and forty-nine".
Is 449 a prime number?
Yes. 449 is a prime number: its only factors are 1 and 449.
What are the factors of 449?
The factors of 449 are 1 and 449.
How do you write 449 in Roman numerals?
449 in Roman numerals is CDXLIX.