21,416 in words
21,416
twenty-one thousand four hundred sixteen
21,416 is written twenty-one thousand four hundred sixteen.
Ways to write it
- As an ordinal
- twenty-one thousand four hundred sixteenth
- Expanded form
- 20,000 + 1,000 + 400 + 10 + 6
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 4 | 400 |
| tens | 1 | 10 |
| ones | 6 | 6 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 8, 2,677, 5,354, 10,708 and 21,416 (8 factors)
- First 10 multiples
- 21,416, 42,832, 64,248, 85,664, 107,080, 128,496, 149,912, 171,328, 192,744, 214,160
- Square
- 21,416 × 21,416 = 458,645,056
- Square root
- ≈ 146.34
- Sum of the digits
- 2 + 1 + 4 + 1 + 6 = 14
- Rounded to the nearest 10
- 21,420
- Rounded to the nearest 100
- 21,400
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,415
- Number after
- 21,417
- In binary
101001110101000
Quick check
What number comes just after 21,416?
Show the answer
21,417
Is 21,416 even or odd?
Show the answer
Even
What is 21,416 + 10?
Show the answer
21,426
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 21,416 in words?
21,416 is written "twenty-one thousand four hundred sixteen".
Is 21,416 a prime number?
No. 21,416 is a composite number, because it has more than two factors.
What are the factors of 21,416?
The factors of 21,416 are 1, 2, 4, 8, 2,677, 5,354, 10,708 and 21,416.