87,421 in words
87,421
eighty-seven thousand four hundred twenty-one
87,421 is written eighty-seven thousand four hundred twenty-one.
Ways to write it
- As an ordinal
- eighty-seven thousand four hundred twenty-first
- Expanded form
- 80,000 + 7,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 8 | 80,000 |
| thousands | 7 | 7,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 87,421 (2 factors)
- First 10 multiples
- 87,421, 174,842, 262,263, 349,684, 437,105, 524,526, 611,947, 699,368, 786,789, 874,210
- Square
- 87,421 × 87,421 = 7,642,431,241
- Square root
- ≈ 295.67
- Sum of the digits
- 8 + 7 + 4 + 2 + 1 = 22
- Rounded to the nearest 10
- 87,420
- Rounded to the nearest 100
- 87,400
- Rounded to the nearest 1000
- 87,000
- Number before
- 87,420
- Number after
- 87,422
- In binary
10101010101111101
Quick check
What number comes just after 87,421?
Show the answer
87,422
Is 87,421 even or odd?
Show the answer
Odd
What is 87,421 + 10?
Show the answer
87,431
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 87,421 in words?
87,421 is written "eighty-seven thousand four hundred twenty-one".
Is 87,421 a prime number?
Yes. 87,421 is a prime number: its only factors are 1 and 87,421.
What are the factors of 87,421?
The factors of 87,421 are 1 and 87,421.