21,741 in words
21,741
twenty-one thousand seven hundred forty-one
21,741 is written twenty-one thousand seven hundred forty-one.
Ways to write it
- As an ordinal
- twenty-one thousand seven hundred forty-first
- Expanded form
- 20,000 + 1,000 + 700 + 40 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 7 | 700 |
| tens | 4 | 40 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 7,247 and 21,741 (4 factors)
- First 10 multiples
- 21,741, 43,482, 65,223, 86,964, 108,705, 130,446, 152,187, 173,928, 195,669, 217,410
- Square
- 21,741 × 21,741 = 472,671,081
- Square root
- ≈ 147.45
- Sum of the digits
- 2 + 1 + 7 + 4 + 1 = 15
- Rounded to the nearest 10
- 21,740
- Rounded to the nearest 100
- 21,700
- Rounded to the nearest 1000
- 22,000
- Number before
- 21,740
- Number after
- 21,742
- In binary
101010011101101
Quick check
What number comes just after 21,741?
Show the answer
21,742
Is 21,741 even or odd?
Show the answer
Odd
What is 21,741 + 10?
Show the answer
21,751
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 21,741 in words?
21,741 is written "twenty-one thousand seven hundred forty-one".
Is 21,741 a prime number?
No. 21,741 is a composite number, because it has more than two factors.
What are the factors of 21,741?
The factors of 21,741 are 1, 3, 7,247 and 21,741.