421,997 in words
421,997
four hundred and twenty-one thousand nine hundred and ninety-seven
421,997 is written four hundred and twenty-one thousand nine hundred and ninety-seven.
Ways to write it
- As an ordinal
- four hundred and twenty-one thousand nine hundred and ninety-seventh
- Expanded form
- 400,000 + 20,000 + 1,000 + 900 + 90 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| 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 421,997 (2 factors)
- First 10 multiples
- 421,997, 843,994, 1,265,991, 1,687,988, 2,109,985, 2,531,982, 2,953,979, 3,375,976, 3,797,973, 4,219,970
- Square
- 421,997 × 421,997 = 178,081,468,009
- Square root
- ≈ 649.61
- Sum of the digits
- 4 + 2 + 1 + 9 + 9 + 7 = 32
- Rounded to the nearest 10
- 422,000
- Rounded to the nearest 100
- 422,000
- Rounded to the nearest 1000
- 422,000
- Number before
- 421,996
- Number after
- 421,998
- In binary
1100111000001101101
Quick check
What number comes just after 421,997?
Show the answer
421,998
Is 421,997 even or odd?
Show the answer
Odd
What is 421,997 + 10?
Show the answer
422,007
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 421,997 in words?
421,997 is written "four hundred and twenty-one thousand nine hundred and ninety-seven".
Is 421,997 a prime number?
Yes. 421,997 is a prime number: its only factors are 1 and 421,997.
What are the factors of 421,997?
The factors of 421,997 are 1 and 421,997.