21,201 in words
21,201
twenty-one thousand two hundred one
21,201 is written twenty-one thousand two hundred one.
Ways to write it
- As an ordinal
- twenty-one thousand two hundred first
- Expanded form
- 20,000 + 1,000 + 200 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 2 | 200 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 37, 111, 191, 573, 7,067 and 21,201 (8 factors)
- First 10 multiples
- 21,201, 42,402, 63,603, 84,804, 106,005, 127,206, 148,407, 169,608, 190,809, 212,010
- Square
- 21,201 × 21,201 = 449,482,401
- Square root
- ≈ 145.61
- Sum of the digits
- 2 + 1 + 2 + 0 + 1 = 6
- Rounded to the nearest 10
- 21,200
- Rounded to the nearest 100
- 21,200
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,200
- Number after
- 21,202
- In binary
101001011010001
Quick check
What number comes just after 21,201?
Show the answer
21,202
Is 21,201 even or odd?
Show the answer
Odd
What is 21,201 + 10?
Show the answer
21,211
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 21,201 in words?
21,201 is written "twenty-one thousand two hundred one".
Is 21,201 a prime number?
No. 21,201 is a composite number, because it has more than two factors.
What are the factors of 21,201?
The factors of 21,201 are 1, 3, 37, 111, 191, 573, 7,067 and 21,201.