number.wiki
Number

1,187

1,187 is a prime, odd, a calendar year.

Deficient Number Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
4
Digit sum
17
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,188

Primality

1,187 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1187
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,187)
1 × 1187
First multiples
1,187 · 2,374 · 3,561 · 4,748 · 5,935 · 7,122 · 8,309 · 9,496 · 10,683 · 11,870

Representations

In words
one thousand one hundred eighty-seven
Ordinal
1187th
Roman numeral
MCLXXXVII
Binary
10010100011
Octal
2243
Hexadecimal
4A3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,181 (gap of 6)
  • Next prime: 1,193 (gap of 6)

Pair status: sexy with 1181, sexy with 1193.

Unicode codepoint
ң
U+04A3
Lowercase letter (Ll)

UTF-8 encoding: D2 A3 (2 bytes).

Lookup U+04A3 on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#0004A3
RGB(0, 4, 163)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.163.