number.wiki
Number

1,109

1,109 is a prime, odd, a calendar year.

Deficient Number Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
4
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,110

Primality

1,109 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1109
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,109)
1 × 1109
First multiples
1,109 · 2,218 · 3,327 · 4,436 · 5,545 · 6,654 · 7,763 · 8,872 · 9,981 · 11,090

Representations

In words
one thousand one hundred nine
Ordinal
1109th
Roman numeral
MCIX
Binary
10001010101
Octal
2125
Hexadecimal
455

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,103 (gap of 6)
  • Next prime: 1,117 (gap of 8)

Pair status: sexy with 1103.

Unicode codepoint
ѕ
U+0455
Lowercase letter (Ll)

UTF-8 encoding: D1 95 (2 bytes).

Lookup U+0455 on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#000455
RGB(0, 4, 85)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.85.