21,701 in words
21,701
twenty-one thousand seven hundred and one
21,701 is written twenty-one thousand seven hundred and one.
Ways to write it
- As an ordinal
- twenty-one thousand seven hundred and first
- Expanded form
- 20,000 + 1,000 + 700 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 7 | 700 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 21,701 (2 factors)
- First 10 multiples
- 21,701, 43,402, 65,103, 86,804, 108,505, 130,206, 151,907, 173,608, 195,309, 217,010
- Square
- 21,701 × 21,701 = 470,933,401
- Square root
- ≈ 147.31
- Sum of the digits
- 2 + 1 + 7 + 0 + 1 = 11
- Rounded to the nearest 10
- 21,700
- Rounded to the nearest 100
- 21,700
- Rounded to the nearest 1000
- 22,000
- Number before
- 21,700
- Number after
- 21,702
- In binary
101010011000101
Quick check
What number comes just after 21,701?
Show the answer
21,702
Is 21,701 even or odd?
Show the answer
Odd
What is 21,701 + 10?
Show the answer
21,711
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 21,701 in words?
21,701 is written "twenty-one thousand seven hundred and one".
Is 21,701 a prime number?
Yes. 21,701 is a prime number: its only factors are 1 and 21,701.
What are the factors of 21,701?
The factors of 21,701 are 1 and 21,701.