number.wiki
Number

18,089

18,089 is a prime, odd.

Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
18,090

Primality

18,089 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 18089
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 18,089)
1 × 18089
First multiples
18,089 · 36,178 · 54,267 · 72,356 · 90,445 · 108,534 · 126,623 · 144,712 · 162,801 · 180,890

Representations

In words
eighteen thousand eighty-nine
Ordinal
18089th
Binary
100011010101001
Octal
43251
Hexadecimal
46A9

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 18,077 (gap of 12)
  • Next prime: 18,097 (gap of 8)
Unicode codepoint
U+46A9
Other letter (Lo)

UTF-8 encoding: E4 9A A9 (3 bytes).

Hex color
#0046A9
RGB(0, 70, 169)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.70.169.

Possible US bank routing number

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

Routing number
000018089
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.