8,400 in words
8,400
eight thousand four hundred
8,400 is written eight thousand four hundred.
Ways to write it
- As an ordinal
- eight thousand four hundredth
- Expanded form
- 8,000 + 400
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 8 | 8,000 |
| hundreds | 4 | 400 |
| tens | 0 | 0 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 60 factors: too many to list
- First 10 multiples
- 8,400, 16,800, 25,200, 33,600, 42,000, 50,400, 58,800, 67,200, 75,600, 84,000
- Square
- 8,400 × 8,400 = 70,560,000
- Square root
- ≈ 91.65
- Sum of the digits
- 8 + 4 + 0 + 0 = 12
- Rounded to the nearest 10
- 8,400
- Rounded to the nearest 100
- 8,400
- Rounded to the nearest 1000
- 8,000
- Number before
- 8,399
- Number after
- 8,401
- In binary
10000011010000
Quick check
What number comes just after 8,400?
Show the answer
8,401
Is 8,400 even or odd?
Show the answer
Even
What is 8,400 + 10?
Show the answer
8,410
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 8,400 in words?
8,400 is written "eight thousand four hundred".
Is 8,400 a prime number?
No. 8,400 is a composite number, because it has more than two factors.