17,998 in words
17,998
seventeen thousand nine hundred ninety-eight
17,998 is written seventeen thousand nine hundred ninety-eight.
Ways to write it
- As an ordinal
- seventeen thousand nine hundred ninety-eighth
- Expanded form
- 10,000 + 7,000 + 900 + 90 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 7 | 7,000 |
| hundreds | 9 | 900 |
| tens | 9 | 90 |
| ones | 8 | 8 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 8,999 and 17,998 (4 factors)
- First 10 multiples
- 17,998, 35,996, 53,994, 71,992, 89,990, 107,988, 125,986, 143,984, 161,982, 179,980
- Square
- 17,998 × 17,998 = 323,928,004
- Square root
- ≈ 134.16
- Sum of the digits
- 1 + 7 + 9 + 9 + 8 = 34
- Rounded to the nearest 10
- 18,000
- Rounded to the nearest 100
- 18,000
- Rounded to the nearest 1000
- 18,000
- Number before
- 17,997
- Number after
- 17,999
- In binary
100011001001110
Quick check
What number comes just after 17,998?
Show the answer
17,999
Is 17,998 even or odd?
Show the answer
Even
What is 17,998 + 10?
Show the answer
18,008
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 17,998 in words?
17,998 is written "seventeen thousand nine hundred ninety-eight".
Is 17,998 a prime number?
No. 17,998 is a composite number, because it has more than two factors.
What are the factors of 17,998?
The factors of 17,998 are 1, 2, 8,999 and 17,998.