420,240 in words
420,240
four hundred twenty thousand two hundred forty
420,240 is written four hundred twenty thousand two hundred forty.
Ways to write it
- As an ordinal
- four hundred twenty thousand two hundred fortieth
- Expanded form
- 400,000 + 20,000 + 200 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 2 | 200 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 80 factors: too many to list
- First 10 multiples
- 420,240, 840,480, 1,260,720, 1,680,960, 2,101,200, 2,521,440, 2,941,680, 3,361,920, 3,782,160, 4,202,400
- Square
- 420,240 × 420,240 = 176,601,657,600
- Square root
- ≈ 648.26
- Sum of the digits
- 4 + 2 + 0 + 2 + 4 + 0 = 12
- Rounded to the nearest 10
- 420,240
- Rounded to the nearest 100
- 420,200
- Rounded to the nearest 1000
- 420,000
- Number before
- 420,239
- Number after
- 420,241
- In binary
1100110100110010000
Quick check
What number comes just after 420,240?
Show the answer
420,241
Is 420,240 even or odd?
Show the answer
Even
What is 420,240 + 10?
Show the answer
420,250
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 420,240 in words?
420,240 is written "four hundred twenty thousand two hundred forty".
Is 420,240 a prime number?
No. 420,240 is a composite number, because it has more than two factors.