number.wiki
Number

80,021

80,021 is a prime, odd.

Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
80,022

Primality

80,021 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 80021
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 80,021)
1 × 80021
First multiples
80,021 · 160,042 · 240,063 · 320,084 · 400,105 · 480,126 · 560,147 · 640,168 · 720,189 · 800,210

Representations

In words
eighty thousand twenty-one
Ordinal
80021st
Binary
10011100010010101
Octal
234225
Hexadecimal
13895

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 79,999 (gap of 22)
  • Next prime: 80,039 (gap of 18)
Unicode codepoint
𓢕
U+13895
Other letter (Lo)

UTF-8 encoding: F0 93 A2 95 (4 bytes).

Hex color
#013895
RGB(1, 56, 149)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.56.149.