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Number

55,931

55,931 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
23
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
55,932

Primality

55,931 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55931
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,931)
1 × 55931
First multiples
55,931 · 111,862 · 167,793 · 223,724 · 279,655 · 335,586 · 391,517 · 447,448 · 503,379 · 559,310

Representations

In words
fifty-five thousand nine hundred thirty-one
Ordinal
55931st
Binary
1101101001111011
Octal
155173
Hexadecimal
DA7B

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,927 (gap of 4)
  • Next prime: 55,933 (gap of 2)

Pair status: twin with 55933, cousin with 55927.

Hex color
#00DA7B
RGB(0, 218, 123)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.123.