998,999 in words
998,999
nine hundred ninety-eight thousand nine hundred ninety-nine
998,999 is written nine hundred ninety-eight thousand nine hundred ninety-nine.
Ways to write it
- As an ordinal
- nine hundred ninety-eight thousand nine hundred ninety-ninth
- Expanded form
- 900,000 + 90,000 + 8,000 + 900 + 90 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 9 | 900,000 |
| ten thousands | 9 | 90,000 |
| thousands | 8 | 8,000 |
| hundreds | 9 | 900 |
| tens | 9 | 90 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 179, 5,581 and 998,999 (4 factors)
- First 10 multiples
- 998,999, 1,997,998, 2,996,997, 3,995,996, 4,994,995, 5,993,994, 6,992,993, 7,991,992, 8,990,991, 9,989,990
- Square
- 998,999 × 998,999 = 997,999,002,001
- Square root
- ≈ 999.50
- Sum of the digits
- 9 + 9 + 8 + 9 + 9 + 9 = 53
- Rounded to the nearest 10
- 999,000
- Rounded to the nearest 100
- 999,000
- Rounded to the nearest 1000
- 999,000
- Number before
- 998,998
- Number after
- 999,000
- In binary
11110011111001010111
Quick check
What number comes just after 998,999?
Show the answer
999,000
Is 998,999 even or odd?
Show the answer
Odd
What is 998,999 + 10?
Show the answer
999,009
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 998,999 in words?
998,999 is written "nine hundred ninety-eight thousand nine hundred ninety-nine".
Is 998,999 a prime number?
No. 998,999 is a composite number, because it has more than two factors.
What are the factors of 998,999?
The factors of 998,999 are 1, 179, 5,581 and 998,999.