21,272 in words
21,272
twenty-one thousand two hundred seventy-two
21,272 is written twenty-one thousand two hundred seventy-two.
Ways to write it
- As an ordinal
- twenty-one thousand two hundred seventy-second
- Expanded form
- 20,000 + 1,000 + 200 + 70 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 2 | 200 |
| tens | 7 | 70 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 8, 2,659, 5,318, 10,636 and 21,272 (8 factors)
- First 10 multiples
- 21,272, 42,544, 63,816, 85,088, 106,360, 127,632, 148,904, 170,176, 191,448, 212,720
- Square
- 21,272 × 21,272 = 452,497,984
- Square root
- ≈ 145.85
- Sum of the digits
- 2 + 1 + 2 + 7 + 2 = 14
- Rounded to the nearest 10
- 21,270
- Rounded to the nearest 100
- 21,300
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,271
- Number after
- 21,273
- In binary
101001100011000
Quick check
What number comes just after 21,272?
Show the answer
21,273
Is 21,272 even or odd?
Show the answer
Even
What is 21,272 + 10?
Show the answer
21,282
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 21,272 in words?
21,272 is written "twenty-one thousand two hundred seventy-two".
Is 21,272 a prime number?
No. 21,272 is a composite number, because it has more than two factors.
What are the factors of 21,272?
The factors of 21,272 are 1, 2, 4, 8, 2,659, 5,318, 10,636 and 21,272.