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Number

55,813

55,813 is a prime, odd.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
22
Digital root
4
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
55,814

Primality

55,813 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55813
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,813)
1 × 55813
First multiples
55,813 · 111,626 · 167,439 · 223,252 · 279,065 · 334,878 · 390,691 · 446,504 · 502,317 · 558,130

Representations

In words
fifty-five thousand eight hundred thirteen
Ordinal
55813th
Binary
1101101000000101
Octal
155005
Hexadecimal
DA05

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,807 (gap of 6)
  • Next prime: 55,817 (gap of 4)

Pair status: cousin with 55817, sexy with 55807.

Hex color
#00DA05
RGB(0, 218, 5)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.5.