501 in words
501
five hundred one
501 is written five hundred one.
Ways to write it
- As an ordinal
- five hundred first
- Roman numeral
- DI
- Expanded form
- 500 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 5 | 500 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 167 and 501 (4 factors)
- First 10 multiples
- 501, 1,002, 1,503, 2,004, 2,505, 3,006, 3,507, 4,008, 4,509, 5,010
- Square
- 501 × 501 = 251,001
- Square root
- ≈ 22.38
- Sum of the digits
- 5 + 0 + 1 = 6
- Rounded to the nearest 10
- 500
- Rounded to the nearest 100
- 500
- Number before
- 500
- Number after
- 502
- In binary
111110101
Quick check
What number comes just after 501?
Show the answer
502
Is 501 even or odd?
Show the answer
Odd
What is 501 + 10?
Show the answer
511
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 501 in words?
501 is written "five hundred one".
Is 501 a prime number?
No. 501 is a composite number, because it has more than two factors.
What are the factors of 501?
The factors of 501 are 1, 3, 167 and 501.
How do you write 501 in Roman numerals?
501 in Roman numerals is DI.