800,400 in words
800,400
eight hundred thousand four hundred
800,400 is written eight hundred thousand four hundred.
Ways to write it
- As an ordinal
- eight hundred thousand four hundredth
- Expanded form
- 800,000 + 400
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| ten thousands | 0 | 0 |
| thousands | 0 | 0 |
| hundreds | 4 | 400 |
| tens | 0 | 0 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 120 factors: too many to list
- First 10 multiples
- 800,400, 1,600,800, 2,401,200, 3,201,600, 4,002,000, 4,802,400, 5,602,800, 6,403,200, 7,203,600, 8,004,000
- Square
- 800,400 × 800,400 = 640,640,160,000
- Square root
- ≈ 894.65
- Sum of the digits
- 8 + 0 + 0 + 4 + 0 + 0 = 12
- Rounded to the nearest 10
- 800,400
- Rounded to the nearest 100
- 800,400
- Rounded to the nearest 1000
- 800,000
- Number before
- 800,399
- Number after
- 800,401
- In binary
11000011011010010000
Quick check
What number comes just after 800,400?
Show the answer
800,401
Is 800,400 even or odd?
Show the answer
Even
What is 800,400 + 10?
Show the answer
800,410
Practice 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 800,400 in words?
800,400 is written "eight hundred thousand four hundred".
Is 800,400 a prime number?
No. 800,400 is a composite number, because it has more than two factors.