42,789 in words
42,789
forty-two thousand seven hundred eighty-nine
42,789 is written forty-two thousand seven hundred eighty-nine.
Ways to write it
- As an ordinal
- forty-two thousand seven hundred eighty-ninth
- Expanded form
- 40,000 + 2,000 + 700 + 80 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 7 | 700 |
| tens | 8 | 80 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 17, 51, 839, 2,517, 14,263 and 42,789 (8 factors)
- First 10 multiples
- 42,789, 85,578, 128,367, 171,156, 213,945, 256,734, 299,523, 342,312, 385,101, 427,890
- Square
- 42,789 × 42,789 = 1,830,898,521
- Square root
- ≈ 206.86
- Sum of the digits
- 4 + 2 + 7 + 8 + 9 = 30
- Rounded to the nearest 10
- 42,790
- Rounded to the nearest 100
- 42,800
- Rounded to the nearest 1000
- 43,000
- Number before
- 42,788
- Number after
- 42,790
- In binary
1010011100100101
Quick check
What number comes just after 42,789?
Show the answer
42,790
Is 42,789 even or odd?
Show the answer
Odd
What is 42,789 + 10?
Show the answer
42,799
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 42,789 in words?
42,789 is written "forty-two thousand seven hundred eighty-nine".
Is 42,789 a prime number?
No. 42,789 is a composite number, because it has more than two factors.
What are the factors of 42,789?
The factors of 42,789 are 1, 3, 17, 51, 839, 2,517, 14,263 and 42,789.