505 in words
505
five hundred five
505 is written five hundred five.
Ways to write it
- As an ordinal
- five hundred fifth
- Roman numeral
- DV
- Expanded form
- 500 + 5
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 5 | 500 |
| tens | 0 | 0 |
| ones | 5 | 5 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 5, 101 and 505 (4 factors)
- First 10 multiples
- 505, 1,010, 1,515, 2,020, 2,525, 3,030, 3,535, 4,040, 4,545, 5,050
- Square
- 505 × 505 = 255,025
- Square root
- ≈ 22.47
- Sum of the digits
- 5 + 0 + 5 = 10
- Rounded to the nearest 10
- 510
- Rounded to the nearest 100
- 500
- Number before
- 504
- Number after
- 506
- In binary
111111001
Quick check
What number comes just after 505?
Show the answer
506
Is 505 even or odd?
Show the answer
Odd
What is 505 + 10?
Show the answer
515
Practise 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 505 in words?
505 is written "five hundred five".
Is 505 a prime number?
No. 505 is a composite number, because it has more than two factors.
What are the factors of 505?
The factors of 505 are 1, 5, 101 and 505.
How do you write 505 in Roman numerals?
505 in Roman numerals is DV.