number.wiki
Number

82,021

82,021 is a prime, odd.

Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digital root
4
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
82,022

Primality

82,021 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 82021
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 82,021)
1 × 82021
First multiples
82,021 · 164,042 · 246,063 · 328,084 · 410,105 · 492,126 · 574,147 · 656,168 · 738,189 · 820,210

Representations

In words
eighty-two thousand twenty-one
Ordinal
82021st
Binary
10100000001100101
Octal
240145
Hexadecimal
14065

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 82,013 (gap of 8)
  • Next prime: 82,031 (gap of 10)
Unicode codepoint
𔁥
U+14065
Other letter (Lo)

UTF-8 encoding: F0 94 81 A5 (4 bytes).

Hex color
#014065
RGB(1, 64, 101)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.64.101.