15,988 in words
15,988
fifteen thousand nine hundred eighty-eight
15,988 is written fifteen thousand nine hundred eighty-eight.
Ways to write it
- As an ordinal
- fifteen thousand nine hundred eighty-eighth
- Expanded form
- 10,000 + 5,000 + 900 + 80 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 5 | 5,000 |
| hundreds | 9 | 900 |
| tens | 8 | 80 |
| ones | 8 | 8 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 7, 14, 28, 571, 1,142, 2,284, 3,997, 7,994 and 15,988 (12 factors)
- First 10 multiples
- 15,988, 31,976, 47,964, 63,952, 79,940, 95,928, 111,916, 127,904, 143,892, 159,880
- Square
- 15,988 × 15,988 = 255,616,144
- Square root
- ≈ 126.44
- Sum of the digits
- 1 + 5 + 9 + 8 + 8 = 31
- Rounded to the nearest 10
- 15,990
- Rounded to the nearest 100
- 16,000
- Rounded to the nearest 1000
- 16,000
- Number before
- 15,987
- Number after
- 15,989
- In binary
11111001110100
Quick check
What number comes just after 15,988?
Show the answer
15,989
Is 15,988 even or odd?
Show the answer
Even
What is 15,988 + 10?
Show the answer
15,998
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
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How do you write 15,988 in words?
15,988 is written "fifteen thousand nine hundred eighty-eight".
Is 15,988 a prime number?
No. 15,988 is a composite number, because it has more than two factors.
What are the factors of 15,988?
The factors of 15,988 are 1, 2, 4, 7, 14, 28, 571, 1,142, 2,284, 3,997, 7,994 and 15,988.