49,821 in words
49,821
forty-nine thousand eight hundred and twenty-one
49,821 is written forty-nine thousand eight hundred and twenty-one.
Ways to write it
- As an ordinal
- forty-nine thousand eight hundred and twenty-first
- Expanded form
- 40,000 + 9,000 + 800 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 9 | 9,000 |
| hundreds | 8 | 800 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 16,607 and 49,821 (4 factors)
- First 10 multiples
- 49,821, 99,642, 149,463, 199,284, 249,105, 298,926, 348,747, 398,568, 448,389, 498,210
- Square
- 49,821 × 49,821 = 2,482,132,041
- Square root
- ≈ 223.21
- Sum of the digits
- 4 + 9 + 8 + 2 + 1 = 24
- Rounded to the nearest 10
- 49,820
- Rounded to the nearest 100
- 49,800
- Rounded to the nearest 1000
- 50,000
- Number before
- 49,820
- Number after
- 49,822
- In binary
1100001010011101
Quick check
What number comes just after 49,821?
Show the answer
49,822
Is 49,821 even or odd?
Show the answer
Odd
What is 49,821 + 10?
Show the answer
49,831
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 49,821 in words?
49,821 is written "forty-nine thousand eight hundred and twenty-one".
Is 49,821 a prime number?
No. 49,821 is a composite number, because it has more than two factors.
What are the factors of 49,821?
The factors of 49,821 are 1, 3, 16,607 and 49,821.