42,720 in words
42,720
forty-two thousand seven hundred twenty
42,720 is written forty-two thousand seven hundred twenty.
Ways to write it
- As an ordinal
- forty-two thousand seven hundred twentieth
- Expanded form
- 40,000 + 2,000 + 700 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 534, 712, 890, 1,068, 1,335, 1,424, 1,780, 2,136, 2,670, 2,848, 3,560, 4,272, 5,340, 7,120, 8,544, 10,680, 14,240, 21,360 and 42,720 (48 factors)
- First 10 multiples
- 42,720, 85,440, 128,160, 170,880, 213,600, 256,320, 299,040, 341,760, 384,480, 427,200
- Square
- 42,720 × 42,720 = 1,824,998,400
- Square root
- ≈ 206.69
- Sum of the digits
- 4 + 2 + 7 + 2 + 0 = 15
- Rounded to the nearest 10
- 42,720
- Rounded to the nearest 100
- 42,700
- Rounded to the nearest 1000
- 43,000
- Number before
- 42,719
- Number after
- 42,721
- In binary
1010011011100000
Quick check
What number comes just after 42,720?
Show the answer
42,721
Is 42,720 even or odd?
Show the answer
Even
What is 42,720 + 10?
Show the answer
42,730
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 42,720 in words?
42,720 is written "forty-two thousand seven hundred twenty".
Is 42,720 a prime number?
No. 42,720 is a composite number, because it has more than two factors.
What are the factors of 42,720?
The factors of 42,720 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 534, 712, 890, 1,068, 1,335, 1,424, 1,780, 2,136, 2,670, 2,848, 3,560, 4,272, 5,340, 7,120, 8,544, 10,680, 14,240, 21,360 and 42,720.