number.wiki
Number

83,221

83,221 is a prime, odd.

Deficient Number Happy Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
16
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
83,222

Primality

83,221 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 83221
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 83,221)
1 × 83221
First multiples
83,221 · 166,442 · 249,663 · 332,884 · 416,105 · 499,326 · 582,547 · 665,768 · 748,989 · 832,210

Representations

In words
eighty-three thousand two hundred twenty-one
Ordinal
83221st
Binary
10100010100010101
Octal
242425
Hexadecimal
14515

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 83,219 (gap of 2)
  • Next prime: 83,227 (gap of 6)

Pair status: twin with 83219, sexy with 83227.

Unicode codepoint
𔔕
U+14515
Other letter (Lo)

UTF-8 encoding: F0 94 94 95 (4 bytes).

Hex color
#014515
RGB(1, 69, 21)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.69.21.

Possible US bank routing number

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

Routing number
000083221
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.