Number
6
6 is a composite number, even, a calendar year.
Properties
- Parity
- Even
- Digit count
- 1
- Digit sum
- 6
- Digital root
- 6
- Palindrome
- Yes
- Divisor count
- 4
- σ(n) — sum of divisors
- 12
Primality
Prime factorization: 2 × 3
Divisors & multiples
Aliquot sum (sum of proper divisors):
6
Representations
- In words
- six
- Ordinal
- 6th
- Roman numeral
- VI
- Binary
- 110
- Octal
- 6
- Hexadecimal
- 6
Also seen as
Goldbach decomposition
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 6, here are decompositions:
- 3 + 3 = 6
ASCII character
As an ASCII codepoint, 6 is control character (0x06). ASCII control character.
Hex color
#000006
RGB(0, 0, 6)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.6.