421,431 in words
421,431
four hundred twenty-one thousand four hundred thirty-one
421,431 is written four hundred twenty-one thousand four hundred thirty-one.
Ways to write it
- As an ordinal
- four hundred twenty-one thousand four hundred thirty-first
- Expanded form
- 400,000 + 20,000 + 1,000 + 400 + 30 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 4 | 400 |
| tens | 3 | 30 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 140,477 and 421,431 (4 factors)
- First 10 multiples
- 421,431, 842,862, 1,264,293, 1,685,724, 2,107,155, 2,528,586, 2,950,017, 3,371,448, 3,792,879, 4,214,310
- Square
- 421,431 × 421,431 = 177,604,087,761
- Square root
- ≈ 649.18
- Sum of the digits
- 4 + 2 + 1 + 4 + 3 + 1 = 15
- Rounded to the nearest 10
- 421,430
- Rounded to the nearest 100
- 421,400
- Rounded to the nearest 1000
- 421,000
- Number before
- 421,430
- Number after
- 421,432
- In binary
1100110111000110111
Quick check
What number comes just after 421,431?
Show the answer
421,432
Is 421,431 even or odd?
Show the answer
Odd
What is 421,431 + 10?
Show the answer
421,441
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 421,431 in words?
421,431 is written "four hundred twenty-one thousand four hundred thirty-one".
Is 421,431 a prime number?
No. 421,431 is a composite number, because it has more than two factors.
What are the factors of 421,431?
The factors of 421,431 are 1, 3, 140,477 and 421,431.