221,742 in words
221,742
two hundred twenty-one thousand seven hundred forty-two
221,742 is written two hundred twenty-one thousand seven hundred forty-two.
Ways to write it
- As an ordinal
- two hundred twenty-one thousand seven hundred forty-second
- Expanded form
- 200,000 + 20,000 + 1,000 + 700 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 7 | 700 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 6, 9, 18, 97, 127, 194, 254, 291, 381, 582, 762, 873, 1,143, 1,746, 2,286, 12,319, 24,638, 36,957, 73,914, 110,871 and 221,742 (24 factors)
- First 10 multiples
- 221,742, 443,484, 665,226, 886,968, 1,108,710, 1,330,452, 1,552,194, 1,773,936, 1,995,678, 2,217,420
- Square
- 221,742 × 221,742 = 49,169,514,564
- Square root
- ≈ 470.89
- Sum of the digits
- 2 + 2 + 1 + 7 + 4 + 2 = 18
- Rounded to the nearest 10
- 221,740
- Rounded to the nearest 100
- 221,700
- Rounded to the nearest 1000
- 222,000
- Number before
- 221,741
- Number after
- 221,743
- In binary
110110001000101110
Quick check
What number comes just after 221,742?
Show the answer
221,743
Is 221,742 even or odd?
Show the answer
Even
What is 221,742 + 10?
Show the answer
221,752
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 221,742 in words?
221,742 is written "two hundred twenty-one thousand seven hundred forty-two".
Is 221,742 a prime number?
No. 221,742 is a composite number, because it has more than two factors.
What are the factors of 221,742?
The factors of 221,742 are 1, 2, 3, 6, 9, 18, 97, 127, 194, 254, 291, 381, 582, 762, 873, 1,143, 1,746, 2,286, 12,319, 24,638, 36,957, 73,914, 110,871 and 221,742.