42,172 in words
42,172
forty-two thousand one hundred seventy-two
42,172 is written forty-two thousand one hundred seventy-two.
Ways to write it
- As an ordinal
- forty-two thousand one hundred seventy-second
- Expanded form
- 40,000 + 2,000 + 100 + 70 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 7 | 70 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 13, 26, 52, 811, 1,622, 3,244, 10,543, 21,086 and 42,172 (12 factors)
- First 10 multiples
- 42,172, 84,344, 126,516, 168,688, 210,860, 253,032, 295,204, 337,376, 379,548, 421,720
- Square
- 42,172 × 42,172 = 1,778,477,584
- Square root
- ≈ 205.36
- Sum of the digits
- 4 + 2 + 1 + 7 + 2 = 16
- Rounded to the nearest 10
- 42,170
- Rounded to the nearest 100
- 42,200
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,171
- Number after
- 42,173
- In binary
1010010010111100
Quick check
What number comes just after 42,172?
Show the answer
42,173
Is 42,172 even or odd?
Show the answer
Even
What is 42,172 + 10?
Show the answer
42,182
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 42,172 in words?
42,172 is written "forty-two thousand one hundred seventy-two".
Is 42,172 a prime number?
No. 42,172 is a composite number, because it has more than two factors.
What are the factors of 42,172?
The factors of 42,172 are 1, 2, 4, 13, 26, 52, 811, 1,622, 3,244, 10,543, 21,086 and 42,172.