427 in words
427
four hundred and twenty-seven
427 is written four hundred and twenty-seven.
Ways to write it
- As an ordinal
- four hundred and twenty-seventh
- Roman numeral
- CDXXVII
- Expanded form
- 400 + 20 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 61 and 427 (4 factors)
- First 10 multiples
- 427, 854, 1,281, 1,708, 2,135, 2,562, 2,989, 3,416, 3,843, 4,270
- Square
- 427 × 427 = 182,329
- Square root
- ≈ 20.66
- Sum of the digits
- 4 + 2 + 7 = 13
- Rounded to the nearest 10
- 430
- Rounded to the nearest 100
- 400
- Number before
- 426
- Number after
- 428
- In binary
110101011
Quick check
What number comes just after 427?
Show the answer
428
Is 427 even or odd?
Show the answer
Odd
What is 427 + 10?
Show the answer
437
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 427 in words?
427 is written "four hundred and twenty-seven".
Is 427 a prime number?
No. 427 is a composite number, because it has more than two factors.
What are the factors of 427?
The factors of 427 are 1, 7, 61 and 427.
How do you write 427 in Roman numerals?
427 in Roman numerals is CDXXVII.