15,231 in words
15,231
fifteen thousand two hundred thirty-one
15,231 is written fifteen thousand two hundred thirty-one.
Ways to write it
- As an ordinal
- fifteen thousand two hundred thirty-first
- Expanded form
- 10,000 + 5,000 + 200 + 30 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 5 | 5,000 |
| hundreds | 2 | 200 |
| tens | 3 | 30 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 5,077 and 15,231 (4 factors)
- First 10 multiples
- 15,231, 30,462, 45,693, 60,924, 76,155, 91,386, 106,617, 121,848, 137,079, 152,310
- Square
- 15,231 × 15,231 = 231,983,361
- Square root
- ≈ 123.41
- Sum of the digits
- 1 + 5 + 2 + 3 + 1 = 12
- Rounded to the nearest 10
- 15,230
- Rounded to the nearest 100
- 15,200
- Rounded to the nearest 1000
- 15,000
- Number before
- 15,230
- Number after
- 15,232
- In binary
11101101111111
Quick check
What number comes just after 15,231?
Show the answer
15,232
Is 15,231 even or odd?
Show the answer
Odd
What is 15,231 + 10?
Show the answer
15,241
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 15,231 in words?
15,231 is written "fifteen thousand two hundred thirty-one".
Is 15,231 a prime number?
No. 15,231 is a composite number, because it has more than two factors.
What are the factors of 15,231?
The factors of 15,231 are 1, 3, 5,077 and 15,231.