5,421 in words
5,421
five thousand four hundred and twenty-one
5,421 is written five thousand four hundred and twenty-one.
Ways to write it
- As an ordinal
- five thousand four hundred and twenty-first
- Expanded form
- 5,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| 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, 3, 13, 39, 139, 417, 1,807 and 5,421 (8 factors)
- First 10 multiples
- 5,421, 10,842, 16,263, 21,684, 27,105, 32,526, 37,947, 43,368, 48,789, 54,210
- Square
- 5,421 × 5,421 = 29,387,241
- Square root
- ≈ 73.63
- Sum of the digits
- 5 + 4 + 2 + 1 = 12
- Rounded to the nearest 10
- 5,420
- Rounded to the nearest 100
- 5,400
- Rounded to the nearest 1000
- 5,000
- Number before
- 5,420
- Number after
- 5,422
- In binary
1010100101101
Quick check
What number comes just after 5,421?
Show the answer
5,422
Is 5,421 even or odd?
Show the answer
Odd
What is 5,421 + 10?
Show the answer
5,431
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 5,421 in words?
5,421 is written "five thousand four hundred and twenty-one".
Is 5,421 a prime number?
No. 5,421 is a composite number, because it has more than two factors.
What are the factors of 5,421?
The factors of 5,421 are 1, 3, 13, 39, 139, 417, 1,807 and 5,421.