number.wiki
Number

10,531

10,531 is a prime, odd.

Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
10
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
10,532

Primality

10,531 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 10531
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 10,531)
1 × 10531
First multiples
10,531 · 21,062 · 31,593 · 42,124 · 52,655 · 63,186 · 73,717 · 84,248 · 94,779 · 105,310

Representations

In words
ten thousand five hundred thirty-one
Ordinal
10531st
Binary
10100100100011
Octal
24443
Hexadecimal
2923

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 10,529 (gap of 2)
  • Next prime: 10,559 (gap of 28)

Pair status: twin with 10529.

Unicode codepoint
U+2923
Math symbol (Sm)

UTF-8 encoding: E2 A4 A3 (3 bytes).

Hex color
#002923
RGB(0, 41, 35)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.41.35.