42,171 in words
42,171
forty-two thousand one hundred seventy-one
42,171 is written forty-two thousand one hundred seventy-one.
Ways to write it
- As an ordinal
- forty-two thousand one hundred seventy-first
- Expanded form
- 40,000 + 2,000 + 100 + 70 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 7 | 70 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 14,057 and 42,171 (4 factors)
- First 10 multiples
- 42,171, 84,342, 126,513, 168,684, 210,855, 253,026, 295,197, 337,368, 379,539, 421,710
- Square
- 42,171 × 42,171 = 1,778,393,241
- Square root
- ≈ 205.36
- Sum of the digits
- 4 + 2 + 1 + 7 + 1 = 15
- Rounded to the nearest 10
- 42,170
- Rounded to the nearest 100
- 42,200
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,170
- Number after
- 42,172
- In binary
1010010010111011
Quick check
What number comes just after 42,171?
Show the answer
42,172
Is 42,171 even or odd?
Show the answer
Odd
What is 42,171 + 10?
Show the answer
42,181
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 42,171 in words?
42,171 is written "forty-two thousand one hundred seventy-one".
Is 42,171 a prime number?
No. 42,171 is a composite number, because it has more than two factors.
What are the factors of 42,171?
The factors of 42,171 are 1, 3, 14,057 and 42,171.