800,420 in words
800,420
eight hundred thousand four hundred twenty
800,420 is written eight hundred thousand four hundred twenty.
Ways to write it
- As an ordinal
- eight hundred thousand four hundred twentieth
- Expanded form
- 800,000 + 400 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| ten thousands | 0 | 0 |
| thousands | 0 | 0 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1,291, 2,582, 5,164, 6,455, 12,910, 25,820, 40,021, 80,042, 160,084, 200,105, 400,210 and 800,420 (24 factors)
- First 10 multiples
- 800,420, 1,600,840, 2,401,260, 3,201,680, 4,002,100, 4,802,520, 5,602,940, 6,403,360, 7,203,780, 8,004,200
- Square
- 800,420 × 800,420 = 640,672,176,400
- Square root
- ≈ 894.66
- Sum of the digits
- 8 + 0 + 0 + 4 + 2 + 0 = 14
- Rounded to the nearest 10
- 800,420
- Rounded to the nearest 100
- 800,400
- Rounded to the nearest 1000
- 800,000
- Number before
- 800,419
- Number after
- 800,421
- In binary
11000011011010100100
Quick check
What number comes just after 800,420?
Show the answer
800,421
Is 800,420 even or odd?
Show the answer
Even
What is 800,420 + 10?
Show the answer
800,430
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 800,420 in words?
800,420 is written "eight hundred thousand four hundred twenty".
Is 800,420 a prime number?
No. 800,420 is a composite number, because it has more than two factors.
What are the factors of 800,420?
The factors of 800,420 are 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1,291, 2,582, 5,164, 6,455, 12,910, 25,820, 40,021, 80,042, 160,084, 200,105, 400,210 and 800,420.