11,009 in words
11,009
eleven thousand nine
11,009 is written eleven thousand nine.
Ways to write it
- As an ordinal
- eleven thousand ninth
- Expanded form
- 10,000 + 1,000 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 101, 109 and 11,009 (4 factors)
- First 10 multiples
- 11,009, 22,018, 33,027, 44,036, 55,045, 66,054, 77,063, 88,072, 99,081, 110,090
- Square
- 11,009 × 11,009 = 121,198,081
- Square root
- ≈ 104.92
- Sum of the digits
- 1 + 1 + 0 + 0 + 9 = 11
- Rounded to the nearest 10
- 11,010
- Rounded to the nearest 100
- 11,000
- Rounded to the nearest 1000
- 11,000
- Number before
- 11,008
- Number after
- 11,010
- In binary
10101100000001
Quick check
What number comes just after 11,009?
Show the answer
11,010
Is 11,009 even or odd?
Show the answer
Odd
What is 11,009 + 10?
Show the answer
11,019
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 11,009 in words?
11,009 is written "eleven thousand nine".
Is 11,009 a prime number?
No. 11,009 is a composite number, because it has more than two factors.
What are the factors of 11,009?
The factors of 11,009 are 1, 101, 109 and 11,009.