988,991 in words
988,991
nine hundred eighty-eight thousand nine hundred ninety-one
988,991 is written nine hundred eighty-eight thousand nine hundred ninety-one.
Ways to write it
- As an ordinal
- nine hundred eighty-eight thousand nine hundred ninety-first
- Expanded form
- 900,000 + 80,000 + 8,000 + 900 + 90 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 9 | 900,000 |
| ten thousands | 8 | 80,000 |
| thousands | 8 | 8,000 |
| hundreds | 9 | 900 |
| tens | 9 | 90 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 941, 1,051 and 988,991 (4 factors)
- First 10 multiples
- 988,991, 1,977,982, 2,966,973, 3,955,964, 4,944,955, 5,933,946, 6,922,937, 7,911,928, 8,900,919, 9,889,910
- Square
- 988,991 × 988,991 = 978,103,198,081
- Square root
- ≈ 994.48
- Sum of the digits
- 9 + 8 + 8 + 9 + 9 + 1 = 44
- Rounded to the nearest 10
- 988,990
- Rounded to the nearest 100
- 989,000
- Rounded to the nearest 1000
- 989,000
- Number before
- 988,990
- Number after
- 988,992
- In binary
11110001011100111111
Quick check
What number comes just after 988,991?
Show the answer
988,992
Is 988,991 even or odd?
Show the answer
Odd
What is 988,991 + 10?
Show the answer
989,001
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 988,991 in words?
988,991 is written "nine hundred eighty-eight thousand nine hundred ninety-one".
Is 988,991 a prime number?
No. 988,991 is a composite number, because it has more than two factors.
What are the factors of 988,991?
The factors of 988,991 are 1, 941, 1,051 and 988,991.