42,005 in words
42,005
forty-two thousand and five
42,005 is written forty-two thousand and five.
Ways to write it
- As an ordinal
- forty-two thousand and fifth
- Expanded form
- 40,000 + 2,000 + 5
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 5 | 5 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 5, 31, 155, 271, 1,355, 8,401 and 42,005 (8 factors)
- First 10 multiples
- 42,005, 84,010, 126,015, 168,020, 210,025, 252,030, 294,035, 336,040, 378,045, 420,050
- Square
- 42,005 × 42,005 = 1,764,420,025
- Square root
- ≈ 204.95
- Sum of the digits
- 4 + 2 + 0 + 0 + 5 = 11
- Rounded to the nearest 10
- 42,010
- Rounded to the nearest 100
- 42,000
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,004
- Number after
- 42,006
- In binary
1010010000010101
Quick check
What number comes just after 42,005?
Show the answer
42,006
Is 42,005 even or odd?
Show the answer
Odd
What is 42,005 + 10?
Show the answer
42,015
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 42,005 in words?
42,005 is written "forty-two thousand and five".
Is 42,005 a prime number?
No. 42,005 is a composite number, because it has more than two factors.
What are the factors of 42,005?
The factors of 42,005 are 1, 5, 31, 155, 271, 1,355, 8,401 and 42,005.