10,921 in words
10,921
ten thousand nine hundred twenty-one
10,921 is written ten thousand nine hundred twenty-one.
Ways to write it
- As an ordinal
- ten thousand nine hundred twenty-first
- Expanded form
- 10,000 + 900 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 0 | 0 |
| hundreds | 9 | 900 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 67, 163 and 10,921 (4 factors)
- First 10 multiples
- 10,921, 21,842, 32,763, 43,684, 54,605, 65,526, 76,447, 87,368, 98,289, 109,210
- Square
- 10,921 × 10,921 = 119,268,241
- Square root
- ≈ 104.50
- Sum of the digits
- 1 + 0 + 9 + 2 + 1 = 13
- Rounded to the nearest 10
- 10,920
- Rounded to the nearest 100
- 10,900
- Rounded to the nearest 1000
- 11,000
- Number before
- 10,920
- Number after
- 10,922
- In binary
10101010101001
Quick check
What number comes just after 10,921?
Show the answer
10,922
Is 10,921 even or odd?
Show the answer
Odd
What is 10,921 + 10?
Show the answer
10,931
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 10,921 in words?
10,921 is written "ten thousand nine hundred twenty-one".
Is 10,921 a prime number?
No. 10,921 is a composite number, because it has more than two factors.
What are the factors of 10,921?
The factors of 10,921 are 1, 67, 163 and 10,921.