421,008 in words
421,008
four hundred twenty-one thousand eight
421,008 is written four hundred twenty-one thousand eight.
Ways to write it
- As an ordinal
- four hundred twenty-one thousand eighth
- Expanded form
- 400,000 + 20,000 + 1,000 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 8 | 8 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 60 factors: too many to list
- First 10 multiples
- 421,008, 842,016, 1,263,024, 1,684,032, 2,105,040, 2,526,048, 2,947,056, 3,368,064, 3,789,072, 4,210,080
- Square
- 421,008 × 421,008 = 177,247,736,064
- Square root
- ≈ 648.85
- Sum of the digits
- 4 + 2 + 1 + 0 + 0 + 8 = 15
- Rounded to the nearest 10
- 421,010
- Rounded to the nearest 100
- 421,000
- Rounded to the nearest 1000
- 421,000
- Number before
- 421,007
- Number after
- 421,009
- In binary
1100110110010010000
Quick check
What number comes just after 421,008?
Show the answer
421,009
Is 421,008 even or odd?
Show the answer
Even
What is 421,008 + 10?
Show the answer
421,018
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 421,008 in words?
421,008 is written "four hundred twenty-one thousand eight".
Is 421,008 a prime number?
No. 421,008 is a composite number, because it has more than two factors.