42,120 in words
42,120
forty-two thousand one hundred twenty
42,120 is written forty-two thousand one hundred twenty.
Ways to write it
- As an ordinal
- forty-two thousand one hundred twentieth
- Expanded form
- 40,000 + 2,000 + 100 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 80 factors: too many to list
- First 10 multiples
- 42,120, 84,240, 126,360, 168,480, 210,600, 252,720, 294,840, 336,960, 379,080, 421,200
- Square
- 42,120 × 42,120 = 1,774,094,400
- Square root
- ≈ 205.23
- Sum of the digits
- 4 + 2 + 1 + 2 + 0 = 9
- Rounded to the nearest 10
- 42,120
- Rounded to the nearest 100
- 42,100
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,119
- Number after
- 42,121
- In binary
1010010010001000
Quick check
What number comes just after 42,120?
Show the answer
42,121
Is 42,120 even or odd?
Show the answer
Even
What is 42,120 + 10?
Show the answer
42,130
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 42,120 in words?
42,120 is written "forty-two thousand one hundred twenty".
Is 42,120 a prime number?
No. 42,120 is a composite number, because it has more than two factors.