400,001 in words
400,001
four hundred thousand one
400,001 is written four hundred thousand one.
Ways to write it
- As an ordinal
- four hundred thousand first
- Expanded form
- 400,000 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 0 | 0 |
| thousands | 0 | 0 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 57,143 and 400,001 (4 factors)
- First 10 multiples
- 400,001, 800,002, 1,200,003, 1,600,004, 2,000,005, 2,400,006, 2,800,007, 3,200,008, 3,600,009, 4,000,010
- Square
- 400,001 × 400,001 = 160,000,800,001
- Square root
- ≈ 632.46
- Sum of the digits
- 4 + 0 + 0 + 0 + 0 + 1 = 5
- Rounded to the nearest 10
- 400,000
- Rounded to the nearest 100
- 400,000
- Rounded to the nearest 1000
- 400,000
- Number before
- 400,000
- Number after
- 400,002
- In binary
1100001101010000001
Quick check
What number comes just after 400,001?
Show the answer
400,002
Is 400,001 even or odd?
Show the answer
Odd
What is 400,001 + 10?
Show the answer
400,011
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 400,001 in words?
400,001 is written "four hundred thousand one".
Is 400,001 a prime number?
No. 400,001 is a composite number, because it has more than two factors.
What are the factors of 400,001?
The factors of 400,001 are 1, 7, 57,143 and 400,001.