85,421 in words
85,421
eighty-five thousand four hundred and twenty-one
85,421 is written eighty-five thousand four hundred and twenty-one.
Ways to write it
- As an ordinal
- eighty-five thousand four hundred and twenty-first
- Expanded form
- 80,000 + 5,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 8 | 80,000 |
| thousands | 5 | 5,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 12,203 and 85,421 (4 factors)
- First 10 multiples
- 85,421, 170,842, 256,263, 341,684, 427,105, 512,526, 597,947, 683,368, 768,789, 854,210
- Square
- 85,421 × 85,421 = 7,296,747,241
- Square root
- ≈ 292.27
- Sum of the digits
- 8 + 5 + 4 + 2 + 1 = 20
- Rounded to the nearest 10
- 85,420
- Rounded to the nearest 100
- 85,400
- Rounded to the nearest 1000
- 85,000
- Number before
- 85,420
- Number after
- 85,422
- In binary
10100110110101101
Quick check
What number comes just after 85,421?
Show the answer
85,422
Is 85,421 even or odd?
Show the answer
Odd
What is 85,421 + 10?
Show the answer
85,431
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 85,421 in words?
85,421 is written "eighty-five thousand four hundred and twenty-one".
Is 85,421 a prime number?
No. 85,421 is a composite number, because it has more than two factors.
What are the factors of 85,421?
The factors of 85,421 are 1, 7, 12,203 and 85,421.