number.wiki
Number

11,987

11,987 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
11,988

Primality

11,987 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 11987
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 11,987)
1 × 11987
First multiples
11,987 · 23,974 · 35,961 · 47,948 · 59,935 · 71,922 · 83,909 · 95,896 · 107,883 · 119,870

Representations

In words
eleven thousand nine hundred eighty-seven
Ordinal
11987th
Binary
10111011010011
Octal
27323
Hexadecimal
2ED3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 11,981 (gap of 6)
  • Next prime: 12,007 (gap of 20)

Pair status: sexy with 11981.

Unicode codepoint
U+2ED3
Other symbol (So)

UTF-8 encoding: E2 BB 93 (3 bytes).

Hex color
#002ED3
RGB(0, 46, 211)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.46.211.