Number
82
82 is a composite number, even, a calendar year.
Properties
- Parity
- Even
- Digit count
- 2
- Digit sum
- 10
- Digital root
- 1
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 126
Primality
Prime factorization: 2 × 41
Divisors & multiples
Aliquot sum (sum of proper divisors):
44
Representations
- In words
- eighty-two
- Ordinal
- 82nd
- Roman numeral
- LXXXII
- Binary
- 1010010
- Octal
- 122
- Hexadecimal
- 52
Also seen as
Goldbach decomposition
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 82, here are decompositions:
- 3 + 79 = 82
- 11 + 71 = 82
- 23 + 59 = 82
- 29 + 53 = 82
- 41 + 41 = 82
ASCII character
As an ASCII codepoint, 82 is R. Printable ASCII character R.
Hex color
#000052
RGB(0, 0, 82)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.82.