16,221 in words
16,221
sixteen thousand two hundred twenty-one
16,221 is written sixteen thousand two hundred twenty-one.
Ways to write it
- As an ordinal
- sixteen thousand two hundred twenty-first
- Expanded form
- 10,000 + 6,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 6 | 6,000 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 5,407 and 16,221 (4 factors)
- First 10 multiples
- 16,221, 32,442, 48,663, 64,884, 81,105, 97,326, 113,547, 129,768, 145,989, 162,210
- Square
- 16,221 × 16,221 = 263,120,841
- Square root
- ≈ 127.36
- Sum of the digits
- 1 + 6 + 2 + 2 + 1 = 12
- Rounded to the nearest 10
- 16,220
- Rounded to the nearest 100
- 16,200
- Rounded to the nearest 1000
- 16,000
- Number before
- 16,220
- Number after
- 16,222
- In binary
11111101011101
Quick check
What number comes just after 16,221?
Show the answer
16,222
Is 16,221 even or odd?
Show the answer
Odd
What is 16,221 + 10?
Show the answer
16,231
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 16,221 in words?
16,221 is written "sixteen thousand two hundred twenty-one".
Is 16,221 a prime number?
No. 16,221 is a composite number, because it has more than two factors.
What are the factors of 16,221?
The factors of 16,221 are 1, 3, 5,407 and 16,221.