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Number

55,817

55,817 is a prime, odd.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
55,818

Primality

55,817 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55817
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,817)
1 × 55817
First multiples
55,817 · 111,634 · 167,451 · 223,268 · 279,085 · 334,902 · 390,719 · 446,536 · 502,353 · 558,170

Representations

In words
fifty-five thousand eight hundred seventeen
Ordinal
55817th
Binary
1101101000001001
Octal
155011
Hexadecimal
DA09

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,813 (gap of 4)
  • Next prime: 55,819 (gap of 2)

Pair status: twin with 55819, cousin with 55813.

Hex color
#00DA09
RGB(0, 218, 9)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.9.