42,420 in words
42,420
forty-two thousand four hundred twenty
42,420 is written forty-two thousand four hundred twenty.
Ways to write it
- As an ordinal
- forty-two thousand four hundred twentieth
- Expanded form
- 40,000 + 2,000 + 400 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1,010, 1,212, 1,414, 1,515, 2,020, 2,121, 2,828, 3,030, 3,535, 4,242, 6,060, 7,070, 8,484, 10,605, 14,140, 21,210 and 42,420 (48 factors)
- First 10 multiples
- 42,420, 84,840, 127,260, 169,680, 212,100, 254,520, 296,940, 339,360, 381,780, 424,200
- Square
- 42,420 × 42,420 = 1,799,456,400
- Square root
- ≈ 205.96
- Sum of the digits
- 4 + 2 + 4 + 2 + 0 = 12
- Rounded to the nearest 10
- 42,420
- Rounded to the nearest 100
- 42,400
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,419
- Number after
- 42,421
- In binary
1010010110110100
Quick check
What number comes just after 42,420?
Show the answer
42,421
Is 42,420 even or odd?
Show the answer
Even
What is 42,420 + 10?
Show the answer
42,430
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 42,420 in words?
42,420 is written "forty-two thousand four hundred twenty".
Is 42,420 a prime number?
No. 42,420 is a composite number, because it has more than two factors.
What are the factors of 42,420?
The factors of 42,420 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1,010, 1,212, 1,414, 1,515, 2,020, 2,121, 2,828, 3,030, 3,535, 4,242, 6,060, 7,070, 8,484, 10,605, 14,140, 21,210 and 42,420.