997 in words
997
nine hundred and ninety-seven
997 is written nine hundred and ninety-seven.
Ways to write it
- As an ordinal
- nine hundred and ninety-seventh
- Roman numeral
- CMXCVII
- Expanded form
- 900 + 90 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 9 | 900 |
| tens | 9 | 90 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 997 (2 factors)
- First 10 multiples
- 997, 1,994, 2,991, 3,988, 4,985, 5,982, 6,979, 7,976, 8,973, 9,970
- Square
- 997 × 997 = 994,009
- Square root
- ≈ 31.58
- Sum of the digits
- 9 + 9 + 7 = 25
- Rounded to the nearest 10
- 1,000
- Rounded to the nearest 100
- 1,000
- Number before
- 996
- Number after
- 998
- In binary
1111100101
Quick check
What number comes just after 997?
Show the answer
998
Is 997 even or odd?
Show the answer
Odd
What is 997 + 10?
Show the answer
1,007
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 997 in words?
997 is written "nine hundred and ninety-seven".
Is 997 a prime number?
Yes. 997 is a prime number: its only factors are 1 and 997.
What are the factors of 997?
The factors of 997 are 1 and 997.
How do you write 997 in Roman numerals?
997 in Roman numerals is CMXCVII.