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Number

4,789

4,789 is a prime, odd.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
28
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
4,790

Primality

4,789 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 4789
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 4,789)
1 × 4789
First multiples
4,789 · 9,578 · 14,367 · 19,156 · 23,945 · 28,734 · 33,523 · 38,312 · 43,101 · 47,890

Representations

In words
four thousand seven hundred eighty-nine
Ordinal
4789th
Binary
1001010110101
Octal
11265
Hexadecimal
12B5

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 4,787 (gap of 2)
  • Next prime: 4,793 (gap of 4)

Pair status: twin with 4787, cousin with 4793.

Unicode codepoint
U+12B5
Other letter (Lo)

UTF-8 encoding: E1 8A B5 (3 bytes).

Hex color
#0012B5
RGB(0, 18, 181)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.18.181.

Possible US bank routing number

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

Routing number
000004789
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.