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Number

56,531

56,531 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
56,532

Primality

56,531 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 56531
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 56,531)
1 × 56531
First multiples
56,531 · 113,062 · 169,593 · 226,124 · 282,655 · 339,186 · 395,717 · 452,248 · 508,779 · 565,310

Representations

In words
fifty-six thousand five hundred thirty-one
Ordinal
56531st
Binary
1101110011010011
Octal
156323
Hexadecimal
DCD3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 56,527 (gap of 4)
  • Next prime: 56,533 (gap of 2)

Pair status: twin with 56533, cousin with 56527.

Hex color
#00DCD3
RGB(0, 220, 211)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.220.211.