421,001 in words
421,001
four hundred twenty-one thousand one
421,001 is written four hundred twenty-one thousand one.
Ways to write it
- As an ordinal
- four hundred twenty-one thousand first
- Expanded form
- 400,000 + 20,000 + 1,000 + 1
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 | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 137, 439, 959, 3,073, 60,143 and 421,001 (8 factors)
- First 10 multiples
- 421,001, 842,002, 1,263,003, 1,684,004, 2,105,005, 2,526,006, 2,947,007, 3,368,008, 3,789,009, 4,210,010
- Square
- 421,001 × 421,001 = 177,241,842,001
- Square root
- ≈ 648.85
- Sum of the digits
- 4 + 2 + 1 + 0 + 0 + 1 = 8
- Rounded to the nearest 10
- 421,000
- Rounded to the nearest 100
- 421,000
- Rounded to the nearest 1000
- 421,000
- Number before
- 421,000
- Number after
- 421,002
- In binary
1100110110010001001
Quick check
What number comes just after 421,001?
Show the answer
421,002
Is 421,001 even or odd?
Show the answer
Odd
What is 421,001 + 10?
Show the answer
421,011
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
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How do you write 421,001 in words?
421,001 is written "four hundred twenty-one thousand one".
Is 421,001 a prime number?
No. 421,001 is a composite number, because it has more than two factors.
What are the factors of 421,001?
The factors of 421,001 are 1, 7, 137, 439, 959, 3,073, 60,143 and 421,001.