1,009 in words
1,009
one thousand nine
1,009 is written one thousand nine.
Ways to write it
- As an ordinal
- one thousand ninth
- Roman numeral
- MIX
- Expanded form
- 1,000 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 1,009 (2 factors)
- First 10 multiples
- 1,009, 2,018, 3,027, 4,036, 5,045, 6,054, 7,063, 8,072, 9,081, 10,090
- Square
- 1,009 × 1,009 = 1,018,081
- Square root
- ≈ 31.76
- Sum of the digits
- 1 + 0 + 0 + 9 = 10
- Rounded to the nearest 10
- 1,010
- Rounded to the nearest 100
- 1,000
- Rounded to the nearest 1000
- 1,000
- Number before
- 1,008
- Number after
- 1,010
- In binary
1111110001
Quick check
What number comes just after 1,009?
Show the answer
1,010
Is 1,009 even or odd?
Show the answer
Odd
What is 1,009 + 10?
Show the answer
1,019
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 1,009 in words?
1,009 is written "one thousand nine".
Is 1,009 a prime number?
Yes. 1,009 is a prime number: its only factors are 1 and 1,009.
What are the factors of 1,009?
The factors of 1,009 are 1 and 1,009.
How do you write 1,009 in Roman numerals?
1,009 in Roman numerals is MIX.