13,421 in words
13,421
thirteen thousand four hundred and twenty-one
13,421 is written thirteen thousand four hundred and twenty-one.
Ways to write it
- As an ordinal
- thirteen thousand four hundred and twenty-first
- Expanded form
- 10,000 + 3,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 3 | 3,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 13,421 (2 factors)
- First 10 multiples
- 13,421, 26,842, 40,263, 53,684, 67,105, 80,526, 93,947, 1,07,368, 1,20,789, 1,34,210
- Square
- 13,421 × 13,421 = 18,01,23,241
- Square root
- ≈ 115.85
- Sum of the digits
- 1 + 3 + 4 + 2 + 1 = 11
- Rounded to the nearest 10
- 13,420
- Rounded to the nearest 100
- 13,400
- Rounded to the nearest 1000
- 13,000
- Number before
- 13,420
- Number after
- 13,422
- In binary
11010001101101
Quick check
What number comes just after 13,421?
Show the answer
13,422
Is 13,421 even or odd?
Show the answer
Odd
What is 13,421 + 10?
Show the answer
13,431
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 13,421 in words?
13,421 is written "thirteen thousand four hundred and twenty-one".
Is 13,421 a prime number?
Yes. 13,421 is a prime number: its only factors are 1 and 13,421.
What are the factors of 13,421?
The factors of 13,421 are 1 and 13,421.