423,421 in words
423,421
four hundred twenty-three thousand four hundred twenty-one
423,421 is written four hundred twenty-three thousand four hundred twenty-one.
Ways to write it
- As an ordinal
- four hundred twenty-three thousand four hundred twenty-first
- Expanded form
- 400,000 + 20,000 + 3,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 3 | 3,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 43, 229, 1,849, 9,847 and 423,421 (6 factors)
- First 10 multiples
- 423,421, 846,842, 1,270,263, 1,693,684, 2,117,105, 2,540,526, 2,963,947, 3,387,368, 3,810,789, 4,234,210
- Square
- 423,421 × 423,421 = 179,285,343,241
- Square root
- ≈ 650.71
- Sum of the digits
- 4 + 2 + 3 + 4 + 2 + 1 = 16
- Rounded to the nearest 10
- 423,420
- Rounded to the nearest 100
- 423,400
- Rounded to the nearest 1000
- 423,000
- Number before
- 423,420
- Number after
- 423,422
- In binary
1100111010111111101
Quick check
What number comes just after 423,421?
Show the answer
423,422
Is 423,421 even or odd?
Show the answer
Odd
What is 423,421 + 10?
Show the answer
423,431
Practice 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 423,421 in words?
423,421 is written "four hundred twenty-three thousand four hundred twenty-one".
Is 423,421 a prime number?
No. 423,421 is a composite number, because it has more than two factors.
What are the factors of 423,421?
The factors of 423,421 are 1, 43, 229, 1,849, 9,847 and 423,421.