number.wiki
Number

55,021

55,021 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
55,022

Primality

55,021 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55021
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,021)
1 × 55021
First multiples
55,021 · 110,042 · 165,063 · 220,084 · 275,105 · 330,126 · 385,147 · 440,168 · 495,189 · 550,210

Representations

In words
fifty-five thousand twenty-one
Ordinal
55021st
Binary
1101011011101101
Octal
153355
Hexadecimal
D6ED

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,009 (gap of 12)
  • Next prime: 55,049 (gap of 28)
Unicode codepoint
훭
U+D6ED
Other letter (Lo)

UTF-8 encoding: ED 9B AD (3 bytes).

Lookup U+D6ED on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#00D6ED
RGB(0, 214, 237)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.214.237.