40,001 in words
40,001
forty thousand one
40,001 is written forty thousand one.
Ways to write it
- As an ordinal
- forty thousand first
- Expanded form
- 40,000 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 0 | 0 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 13, 17, 181, 221, 2,353, 3,077 and 40,001 (8 factors)
- First 10 multiples
- 40,001, 80,002, 120,003, 160,004, 200,005, 240,006, 280,007, 320,008, 360,009, 400,010
- Square
- 40,001 × 40,001 = 1,600,080,001
- Square root
- ≈ 200.00
- Sum of the digits
- 4 + 0 + 0 + 0 + 1 = 5
- Rounded to the nearest 10
- 40,000
- Rounded to the nearest 100
- 40,000
- Rounded to the nearest 1000
- 40,000
- Number before
- 40,000
- Number after
- 40,002
- In binary
1001110001000001
Quick check
What number comes just after 40,001?
Show the answer
40,002
Is 40,001 even or odd?
Show the answer
Odd
What is 40,001 + 10?
Show the answer
40,011
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 40,001 in words?
40,001 is written "forty thousand one".
Is 40,001 a prime number?
No. 40,001 is a composite number, because it has more than two factors.
What are the factors of 40,001?
The factors of 40,001 are 1, 13, 17, 181, 221, 2,353, 3,077 and 40,001.