number.wiki
Number

269

269 is a prime, odd, a calendar year.

Deficient Number Prime Sexy Prime Squarefree Twin Prime Year

Properties

Parity
Odd
Digit count
3
Digit sum
17
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
270

Primality

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

Divisors & multiples

All divisors (2)
1 · 269
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 269)
1 × 269
First multiples
269 · 538 · 807 · 1,076 · 1,345 · 1,614 · 1,883 · 2,152 · 2,421 · 2,690

Representations

In words
two hundred sixty-nine
Ordinal
269th
Roman numeral
CCLXIX
Binary
100001101
Octal
415
Hexadecimal
10D

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 263 (gap of 6)
  • Next prime: 271 (gap of 2)

Pair status: twin with 271, sexy with 263.

Unicode codepoint
č
U+010D
Lowercase letter (Ll)

UTF-8 encoding: C4 8D (2 bytes).

Hex color
#00010D
RGB(0, 1, 13)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.13.