Number
79
79 is a prime, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 2
- Digit sum
- 16
- Digital root
- 7
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 80
Primality
79 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
Representations
- In words
- seventy-nine
- Ordinal
- 79th
- Roman numeral
- LXXIX
- Binary
- 1001111
- Octal
- 117
- Hexadecimal
- 4F
Also seen as
Prime neighborhood
ASCII character
As an ASCII codepoint, 79 is O. Printable ASCII character O.
Hex color
#00004F
RGB(0, 0, 79)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.79.