Number
223
223 is a prime, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 7
- Digital root
- 7
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 224
Primality
223 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
Representations
- In words
- two hundred twenty-three
- Ordinal
- 223rd
- Roman numeral
- CCXXIII
- Binary
- 11011111
- Octal
- 337
- Hexadecimal
- DF
Also seen as
Prime neighborhood
Unicode codepoint
ß
U+00DF
Lowercase letter (Ll)
UTF-8 encoding: C3 9F (2 bytes).
Hex color
#0000DF
RGB(0, 0, 223)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.223.