421,000 in words
421,000
four hundred twenty-one thousand
421,000 is written four hundred twenty-one thousand.
Ways to write it
- As an ordinal
- four hundred twenty-one thousandth
- Expanded form
- 400,000 + 20,000 + 1,000
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 | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 421, 500, 842, 1,000, 1,684, 2,105, 3,368, 4,210, 8,420, 10,525, 16,840, 21,050, 42,100, 52,625, 84,200, 105,250, 210,500 and 421,000 (32 factors)
- First 10 multiples
- 421,000, 842,000, 1,263,000, 1,684,000, 2,105,000, 2,526,000, 2,947,000, 3,368,000, 3,789,000, 4,210,000
- Square
- 421,000 × 421,000 = 177,241,000,000
- Square root
- ≈ 648.85
- Sum of the digits
- 4 + 2 + 1 + 0 + 0 + 0 = 7
- Rounded to the nearest 10
- 421,000
- Rounded to the nearest 100
- 421,000
- Rounded to the nearest 1000
- 421,000
- Number before
- 420,999
- Number after
- 421,001
- In binary
1100110110010001000
Quick check
What number comes just after 421,000?
Show the answer
421,001
Is 421,000 even or odd?
Show the answer
Even
What is 421,000 + 10?
Show the answer
421,010
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 421,000 in words?
421,000 is written "four hundred twenty-one thousand".
Is 421,000 a prime number?
No. 421,000 is a composite number, because it has more than two factors.
What are the factors of 421,000?
The factors of 421,000 are 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 421, 500, 842, 1,000, 1,684, 2,105, 3,368, 4,210, 8,420, 10,525, 16,840, 21,050, 42,100, 52,625, 84,200, 105,250, 210,500 and 421,000.