427,840 in words
427,840
four hundred twenty-seven thousand eight hundred forty
427,840 is written four hundred twenty-seven thousand eight hundred forty.
Ways to write it
- As an ordinal
- four hundred twenty-seven thousand eight hundred fortieth
- Expanded form
- 400,000 + 20,000 + 7,000 + 800 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 7 | 7,000 |
| hundreds | 8 | 800 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 56 factors: too many to list
- First 10 multiples
- 427,840, 855,680, 1,283,520, 1,711,360, 2,139,200, 2,567,040, 2,994,880, 3,422,720, 3,850,560, 4,278,400
- Square
- 427,840 × 427,840 = 183,047,065,600
- Square root
- ≈ 654.09
- Sum of the digits
- 4 + 2 + 7 + 8 + 4 + 0 = 25
- Rounded to the nearest 10
- 427,840
- Rounded to the nearest 100
- 427,800
- Rounded to the nearest 1000
- 428,000
- Number before
- 427,839
- Number after
- 427,841
- In binary
1101000011101000000
Quick check
What number comes just after 427,840?
Show the answer
427,841
Is 427,840 even or odd?
Show the answer
Even
What is 427,840 + 10?
Show the answer
427,850
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 427,840 in words?
427,840 is written "four hundred twenty-seven thousand eight hundred forty".
Is 427,840 a prime number?
No. 427,840 is a composite number, because it has more than two factors.