number.wiki
Number

5,021

5,021 is a prime, odd.

Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
8
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
5,022

Primality

5,021 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 5021
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 5,021)
1 × 5021
First multiples
5,021 · 10,042 · 15,063 · 20,084 · 25,105 · 30,126 · 35,147 · 40,168 · 45,189 · 50,210

Representations

In words
five thousand twenty-one
Ordinal
5021st
Binary
1001110011101
Octal
11635
Hexadecimal
139D

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 5,011 (gap of 10)
  • Next prime: 5,023 (gap of 2)

Pair status: twin with 5023.

Hex color
#00139D
RGB(0, 19, 157)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.19.157.

Possible US bank routing number

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

Routing number
000005021
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.