21,350 in words
21,350
twenty-one thousand three hundred fifty
21,350 is written twenty-one thousand three hundred fifty.
Ways to write it
- As an ordinal
- twenty-one thousand three hundred fiftieth
- Expanded form
- 20,000 + 1,000 + 300 + 50
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 5 | 50 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 1,525, 2,135, 3,050, 4,270, 10,675 and 21,350 (24 factors)
- First 10 multiples
- 21,350, 42,700, 64,050, 85,400, 106,750, 128,100, 149,450, 170,800, 192,150, 213,500
- Square
- 21,350 × 21,350 = 455,822,500
- Square root
- ≈ 146.12
- Sum of the digits
- 2 + 1 + 3 + 5 + 0 = 11
- Rounded to the nearest 10
- 21,350
- Rounded to the nearest 100
- 21,400
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,349
- Number after
- 21,351
- In binary
101001101100110
Quick check
What number comes just after 21,350?
Show the answer
21,351
Is 21,350 even or odd?
Show the answer
Even
What is 21,350 + 10?
Show the answer
21,360
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 21,350 in words?
21,350 is written "twenty-one thousand three hundred fifty".
Is 21,350 a prime number?
No. 21,350 is a composite number, because it has more than two factors.
What are the factors of 21,350?
The factors of 21,350 are 1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 1,525, 2,135, 3,050, 4,270, 10,675 and 21,350.