80,009 in words
80,009
eighty thousand and nine
80,009 is written eighty thousand and nine.
Ways to write it
- As an ordinal
- eighty thousand and ninth
- Expanded form
- 80,000 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 8 | 80,000 |
| thousands | 0 | 0 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 19, 4,211 and 80,009 (4 factors)
- First 10 multiples
- 80,009, 160,018, 240,027, 320,036, 400,045, 480,054, 560,063, 640,072, 720,081, 800,090
- Square
- 80,009 × 80,009 = 6,401,440,081
- Square root
- ≈ 282.86
- Sum of the digits
- 8 + 0 + 0 + 0 + 9 = 17
- Rounded to the nearest 10
- 80,010
- Rounded to the nearest 100
- 80,000
- Rounded to the nearest 1000
- 80,000
- Number before
- 80,008
- Number after
- 80,010
- In binary
10011100010001001
Quick check
What number comes just after 80,009?
Show the answer
80,010
Is 80,009 even or odd?
Show the answer
Odd
What is 80,009 + 10?
Show the answer
80,019
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 80,009 in words?
80,009 is written "eighty thousand and nine".
Is 80,009 a prime number?
No. 80,009 is a composite number, because it has more than two factors.
What are the factors of 80,009?
The factors of 80,009 are 1, 19, 4,211 and 80,009.