Number
27
27 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 2
- Digit sum
- 9
- Digital root
- 9
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 40
Primality
Prime factorization: 3 3
Divisors & multiples
Aliquot sum (sum of proper divisors):
13
Representations
- In words
- twenty-seven
- Ordinal
- 27th
- Roman numeral
- XXVII
- Binary
- 11011
- Octal
- 33
- Hexadecimal
- 1B
Also seen as
ASCII character
As an ASCII codepoint, 27 is ESC (escape). ASCII control character.
Hex color
#00001B
RGB(0, 0, 27)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.27.