21,373 in words
21,373
twenty-one thousand three hundred seventy-three
21,373 is written twenty-one thousand three hundred seventy-three.
Ways to write it
- As an ordinal
- twenty-one thousand three hundred seventy-third
- Expanded form
- 20,000 + 1,000 + 300 + 70 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 7 | 70 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 11, 29, 67, 319, 737, 1,943 and 21,373 (8 factors)
- First 10 multiples
- 21,373, 42,746, 64,119, 85,492, 106,865, 128,238, 149,611, 170,984, 192,357, 213,730
- Square
- 21,373 × 21,373 = 456,805,129
- Square root
- ≈ 146.20
- Sum of the digits
- 2 + 1 + 3 + 7 + 3 = 16
- Rounded to the nearest 10
- 21,370
- Rounded to the nearest 100
- 21,400
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,372
- Number after
- 21,374
- In binary
101001101111101
Quick check
What number comes just after 21,373?
Show the answer
21,374
Is 21,373 even or odd?
Show the answer
Odd
What is 21,373 + 10?
Show the answer
21,383
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 21,373 in words?
21,373 is written "twenty-one thousand three hundred seventy-three".
Is 21,373 a prime number?
No. 21,373 is a composite number, because it has more than two factors.
What are the factors of 21,373?
The factors of 21,373 are 1, 11, 29, 67, 319, 737, 1,943 and 21,373.