3,997 in words
3,997
three thousand nine hundred ninety-seven
3,997 is written three thousand nine hundred ninety-seven.
Ways to write it
- As an ordinal
- three thousand nine hundred ninety-seventh
- Roman numeral
- MMMCMXCVII
- Expanded form
- 3,000 + 900 + 90 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 3 | 3,000 |
| hundreds | 9 | 900 |
| tens | 9 | 90 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 571 and 3,997 (4 factors)
- First 10 multiples
- 3,997, 7,994, 11,991, 15,988, 19,985, 23,982, 27,979, 31,976, 35,973, 39,970
- Square
- 3,997 × 3,997 = 15,976,009
- Square root
- ≈ 63.22
- Sum of the digits
- 3 + 9 + 9 + 7 = 28
- Rounded to the nearest 10
- 4,000
- Rounded to the nearest 100
- 4,000
- Rounded to the nearest 1000
- 4,000
- Number before
- 3,996
- Number after
- 3,998
- In binary
111110011101
Quick check
What number comes just after 3,997?
Show the answer
3,998
Is 3,997 even or odd?
Show the answer
Odd
What is 3,997 + 10?
Show the answer
4,007
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 3,997 in words?
3,997 is written "three thousand nine hundred ninety-seven".
Is 3,997 a prime number?
No. 3,997 is a composite number, because it has more than two factors.
What are the factors of 3,997?
The factors of 3,997 are 1, 7, 571 and 3,997.
How do you write 3,997 in Roman numerals?
3,997 in Roman numerals is MMMCMXCVII.