1,089 in words
1,089
one thousand and eighty-nine
1,089 is written one thousand and eighty-nine.
Ways to write it
- As an ordinal
- one thousand and eighty-ninth
- Roman numeral
- MLXXXIX
- Expanded form
- 1,000 + 80 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 8 | 80 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 11, 33, 99, 121, 363 and 1,089 (9 factors)
- First 10 multiples
- 1,089, 2,178, 3,267, 4,356, 5,445, 6,534, 7,623, 8,712, 9,801, 10,890
- Square
- 1,089 × 1,089 = 1,185,921
- Square root
- 33
- Sum of the digits
- 1 + 0 + 8 + 9 = 18
- Rounded to the nearest 10
- 1,090
- Rounded to the nearest 100
- 1,100
- Rounded to the nearest 1000
- 1,000
- Number before
- 1,088
- Number after
- 1,090
- In binary
10001000001
Quick check
What number comes just after 1,089?
Show the answer
1,090
Is 1,089 even or odd?
Show the answer
Odd
What is 1,089 + 10?
Show the answer
1,099
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 1,089 in words?
1,089 is written "one thousand and eighty-nine".
Is 1,089 a prime number?
No. 1,089 is a composite number, because it has more than two factors.
What are the factors of 1,089?
The factors of 1,089 are 1, 3, 9, 11, 33, 99, 121, 363 and 1,089.
How do you write 1,089 in Roman numerals?
1,089 in Roman numerals is MLXXXIX.