21,376 in words
21,376
twenty-one thousand three hundred seventy-six
21,376 is written twenty-one thousand three hundred seventy-six.
Ways to write it
- As an ordinal
- twenty-one thousand three hundred seventy-sixth
- Expanded form
- 20,000 + 1,000 + 300 + 70 + 6
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 7 | 70 |
| ones | 6 | 6 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 8, 16, 32, 64, 128, 167, 334, 668, 1,336, 2,672, 5,344, 10,688 and 21,376 (16 factors)
- First 10 multiples
- 21,376, 42,752, 64,128, 85,504, 106,880, 128,256, 149,632, 171,008, 192,384, 213,760
- Square
- 21,376 × 21,376 = 456,933,376
- Square root
- ≈ 146.21
- Sum of the digits
- 2 + 1 + 3 + 7 + 6 = 19
- Rounded to the nearest 10
- 21,380
- Rounded to the nearest 100
- 21,400
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,375
- Number after
- 21,377
- In binary
101001110000000
Quick check
What number comes just after 21,376?
Show the answer
21,377
Is 21,376 even or odd?
Show the answer
Even
What is 21,376 + 10?
Show the answer
21,386
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 21,376 in words?
21,376 is written "twenty-one thousand three hundred seventy-six".
Is 21,376 a prime number?
No. 21,376 is a composite number, because it has more than two factors.
What are the factors of 21,376?
The factors of 21,376 are 1, 2, 4, 8, 16, 32, 64, 128, 167, 334, 668, 1,336, 2,672, 5,344, 10,688 and 21,376.