number.wiki
Number

8,389

8,389 is a prime, odd.

Deficient Number 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
8,390

Primality

8,389 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 8389
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 8,389)
1 × 8389
First multiples
8,389 · 16,778 · 25,167 · 33,556 · 41,945 · 50,334 · 58,723 · 67,112 · 75,501 · 83,890

Representations

In words
eight thousand three hundred eighty-nine
Ordinal
8389th
Binary
10000011000101
Octal
20305
Hexadecimal
20C5

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 8,387 (gap of 2)
  • Next prime: 8,419 (gap of 30)

Pair status: twin with 8387.

Hex color
#0020C5
RGB(0, 32, 197)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.32.197.