number.wiki
Number

83

83 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
2
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
84

Primality

83 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 83
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 83)
1 × 83
First multiples
83 · 166 · 249 · 332 · 415 · 498 · 581 · 664 · 747 · 830

Representations

In words
eighty-three
Ordinal
83rd
Roman numeral
LXXXIII
Binary
1010011
Octal
123
Hexadecimal
53

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 79 (gap of 4)
  • Next prime: 89 (gap of 6)

Pair status: cousin with 79, sexy with 89.

ASCII character

As an ASCII codepoint, 83 is S. Printable ASCII character S.

Hex color
#000053
RGB(0, 0, 83)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.83.