421,740 in words
421,740
four hundred twenty-one thousand seven hundred forty
421,740 is written four hundred twenty-one thousand seven hundred forty.
Ways to write it
- As an ordinal
- four hundred twenty-one thousand seven hundred fortieth
- Expanded form
- 400,000 + 20,000 + 1,000 + 700 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 7 | 700 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 96 factors: too many to list
- First 10 multiples
- 421,740, 843,480, 1,265,220, 1,686,960, 2,108,700, 2,530,440, 2,952,180, 3,373,920, 3,795,660, 4,217,400
- Square
- 421,740 × 421,740 = 177,864,627,600
- Square root
- ≈ 649.42
- Sum of the digits
- 4 + 2 + 1 + 7 + 4 + 0 = 18
- Rounded to the nearest 10
- 421,740
- Rounded to the nearest 100
- 421,700
- Rounded to the nearest 1000
- 422,000
- Number before
- 421,739
- Number after
- 421,741
- In binary
1100110111101101100
Quick check
What number comes just after 421,740?
Show the answer
421,741
Is 421,740 even or odd?
Show the answer
Even
What is 421,740 + 10?
Show the answer
421,750
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 421,740 in words?
421,740 is written "four hundred twenty-one thousand seven hundred forty".
Is 421,740 a prime number?
No. 421,740 is a composite number, because it has more than two factors.