21,273 in words
21,273
twenty-one thousand two hundred seventy-three
21,273 is written twenty-one thousand two hundred seventy-three.
Ways to write it
- As an ordinal
- twenty-one thousand two hundred seventy-third
- Expanded form
- 20,000 + 1,000 + 200 + 70 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 2 | 200 |
| tens | 7 | 70 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 7, 21, 1,013, 3,039, 7,091 and 21,273 (8 factors)
- First 10 multiples
- 21,273, 42,546, 63,819, 85,092, 106,365, 127,638, 148,911, 170,184, 191,457, 212,730
- Square
- 21,273 × 21,273 = 452,540,529
- Square root
- ≈ 145.85
- Sum of the digits
- 2 + 1 + 2 + 7 + 3 = 15
- Rounded to the nearest 10
- 21,270
- Rounded to the nearest 100
- 21,300
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,272
- Number after
- 21,274
- In binary
101001100011001
Quick check
What number comes just after 21,273?
Show the answer
21,274
Is 21,273 even or odd?
Show the answer
Odd
What is 21,273 + 10?
Show the answer
21,283
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 21,273 in words?
21,273 is written "twenty-one thousand two hundred seventy-three".
Is 21,273 a prime number?
No. 21,273 is a composite number, because it has more than two factors.
What are the factors of 21,273?
The factors of 21,273 are 1, 3, 7, 21, 1,013, 3,039, 7,091 and 21,273.