number.wiki
Number

50,021

50,021 is a prime, odd.

Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
8
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
50,022

Primality

50,021 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 50021
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 50,021)
1 × 50021
First multiples
50,021 · 100,042 · 150,063 · 200,084 · 250,105 · 300,126 · 350,147 · 400,168 · 450,189 · 500,210

Representations

In words
fifty thousand twenty-one
Ordinal
50021st
Binary
1100001101100101
Octal
141545
Hexadecimal
C365

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 49,999 (gap of 22)
  • Next prime: 50,023 (gap of 2)

Pair status: twin with 50023.

Unicode codepoint
U+C365
Other letter (Lo)

UTF-8 encoding: EC 8D A5 (3 bytes).

Hex color
#00C365
RGB(0, 195, 101)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.195.101.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000050021
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.