13,729 in words
13,729
thirteen thousand seven hundred and twenty-nine
13,729 is written thirteen thousand seven hundred and twenty-nine.
Ways to write it
- As an ordinal
- thirteen thousand seven hundred and twenty-ninth
- Expanded form
- 10,000 + 3,000 + 700 + 20 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 3 | 3,000 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 13,729 (2 factors)
- First 10 multiples
- 13,729, 27,458, 41,187, 54,916, 68,645, 82,374, 96,103, 109,832, 123,561, 137,290
- Square
- 13,729 × 13,729 = 188,485,441
- Square root
- ≈ 117.17
- Sum of the digits
- 1 + 3 + 7 + 2 + 9 = 22
- Rounded to the nearest 10
- 13,730
- Rounded to the nearest 100
- 13,700
- Rounded to the nearest 1000
- 14,000
- Number before
- 13,728
- Number after
- 13,730
- In binary
11010110100001
Quick check
What number comes just after 13,729?
Show the answer
13,730
Is 13,729 even or odd?
Show the answer
Odd
What is 13,729 + 10?
Show the answer
13,739
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 13,729 in words?
13,729 is written "thirteen thousand seven hundred and twenty-nine".
Is 13,729 a prime number?
Yes. 13,729 is a prime number: its only factors are 1 and 13,729.
What are the factors of 13,729?
The factors of 13,729 are 1 and 13,729.