1,997 in words
1,997
one thousand nine hundred and ninety-seven
1,997 is written one thousand nine hundred and ninety-seven.
Ways to write it
- As an ordinal
- one thousand nine hundred and ninety-seventh
- Roman numeral
- MCMXCVII
- Expanded form
- 1,000 + 900 + 90 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 1 | 1,000 |
| hundreds | 9 | 900 |
| tens | 9 | 90 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 1,997 (2 factors)
- First 10 multiples
- 1,997, 3,994, 5,991, 7,988, 9,985, 11,982, 13,979, 15,976, 17,973, 19,970
- Square
- 1,997 × 1,997 = 3,988,009
- Square root
- ≈ 44.69
- Sum of the digits
- 1 + 9 + 9 + 7 = 26
- Rounded to the nearest 10
- 2,000
- Rounded to the nearest 100
- 2,000
- Rounded to the nearest 1000
- 2,000
- Number before
- 1,996
- Number after
- 1,998
- In binary
11111001101
Quick check
What number comes just after 1,997?
Show the answer
1,998
Is 1,997 even or odd?
Show the answer
Odd
What is 1,997 + 10?
Show the answer
2,007
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 1,997 in words?
1,997 is written "one thousand nine hundred and ninety-seven".
Is 1,997 a prime number?
Yes. 1,997 is a prime number: its only factors are 1 and 1,997.
What are the factors of 1,997?
The factors of 1,997 are 1 and 1,997.
How do you write 1,997 in Roman numerals?
1,997 in Roman numerals is MCMXCVII.