825 in words
825
eight hundred twenty-five
825 is written eight hundred twenty-five.
Ways to write it
- As an ordinal
- eight hundred twenty-fifth
- Roman numeral
- DCCCXXV
- Expanded form
- 800 + 20 + 5
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 8 | 800 |
| tens | 2 | 20 |
| ones | 5 | 5 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275 and 825 (12 factors)
- First 10 multiples
- 825, 1,650, 2,475, 3,300, 4,125, 4,950, 5,775, 6,600, 7,425, 8,250
- Square
- 825 × 825 = 680,625
- Square root
- ≈ 28.72
- Sum of the digits
- 8 + 2 + 5 = 15
- Rounded to the nearest 10
- 830
- Rounded to the nearest 100
- 800
- Number before
- 824
- Number after
- 826
- In binary
1100111001
Quick check
What number comes just after 825?
Show the answer
826
Is 825 even or odd?
Show the answer
Odd
What is 825 + 10?
Show the answer
835
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 825 in words?
825 is written "eight hundred twenty-five".
Is 825 a prime number?
No. 825 is a composite number, because it has more than two factors.
What are the factors of 825?
The factors of 825 are 1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275 and 825.
How do you write 825 in Roman numerals?
825 in Roman numerals is DCCCXXV.