42,109 in words
42,109
forty-two thousand one hundred nine
42,109 is written forty-two thousand one hundred nine.
Ways to write it
- As an ordinal
- forty-two thousand one hundred ninth
- Expanded form
- 40,000 + 2,000 + 100 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 17, 2,477 and 42,109 (4 factors)
- First 10 multiples
- 42,109, 84,218, 126,327, 168,436, 210,545, 252,654, 294,763, 336,872, 378,981, 421,090
- Square
- 42,109 × 42,109 = 1,773,167,881
- Square root
- ≈ 205.20
- Sum of the digits
- 4 + 2 + 1 + 0 + 9 = 16
- Rounded to the nearest 10
- 42,110
- Rounded to the nearest 100
- 42,100
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,108
- Number after
- 42,110
- In binary
1010010001111101
Quick check
What number comes just after 42,109?
Show the answer
42,110
Is 42,109 even or odd?
Show the answer
Odd
What is 42,109 + 10?
Show the answer
42,119
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 42,109 in words?
42,109 is written "forty-two thousand one hundred nine".
Is 42,109 a prime number?
No. 42,109 is a composite number, because it has more than two factors.
What are the factors of 42,109?
The factors of 42,109 are 1, 17, 2,477 and 42,109.