42,979 in words
42,979
forty-two thousand nine hundred seventy-nine
42,979 is written forty-two thousand nine hundred seventy-nine.
Ways to write it
- As an ordinal
- forty-two thousand nine hundred seventy-ninth
- Expanded form
- 40,000 + 2,000 + 900 + 70 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 9 | 900 |
| tens | 7 | 70 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 42,979 (2 factors)
- First 10 multiples
- 42,979, 85,958, 128,937, 171,916, 214,895, 257,874, 300,853, 343,832, 386,811, 429,790
- Square
- 42,979 × 42,979 = 1,847,194,441
- Square root
- ≈ 207.31
- Sum of the digits
- 4 + 2 + 9 + 7 + 9 = 31
- Rounded to the nearest 10
- 42,980
- Rounded to the nearest 100
- 43,000
- Rounded to the nearest 1000
- 43,000
- Number before
- 42,978
- Number after
- 42,980
- In binary
1010011111100011
Quick check
What number comes just after 42,979?
Show the answer
42,980
Is 42,979 even or odd?
Show the answer
Odd
What is 42,979 + 10?
Show the answer
42,989
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
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How do you write 42,979 in words?
42,979 is written "forty-two thousand nine hundred seventy-nine".
Is 42,979 a prime number?
Yes. 42,979 is a prime number: its only factors are 1 and 42,979.
What are the factors of 42,979?
The factors of 42,979 are 1 and 42,979.