Número

17

17 — Seventeen

17 is a prime, odd, a calendar year.

Seventeen is the seventh prime, and is famously the favorite ‘random’ number people pick when asked. It is the only prime that is the sum of four consecutive primes (2 + 3 + 5 + 7).

Fuentes https://en.wikipedia.org/wiki/17_(number)

Cousin Prime Curated Deficient Number Prime Recamán's Sequence Sexy Prime Squarefree Twin Prime

Propiedades

Paridad: Impar
Cantidad de dígitos: 2
Suma de dígitos: 8
Raíz digital: 8
Palíndromo: No
Invertido: 71
Sucesión de Recamán: a(25) = 17
Cantidad de divisores: 2
σ(n) — suma de divisores: 18

Primalidad

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

Divisores y múltiplos

All divisors (2)

1 · 17

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 17)

1 × 17

First multiples

17 · 34 · 51 · 68 · 85 · 102 · 119 · 136 · 153 · 170

Representaciones

En palabras: seventeen
Ordinal: 17th
Numeral romano: XVII
Binario: 10001
Octal: 21
Hexadecimal: 0x11
Base64: EQ==

También visto como

Prime neighborhood

Adjacent primes:

Previous prime: 13 (gap of 4)
Next prime: 19 (gap of 2)

Pair status: twin with 19, cousin with 13.

ASCII character

As an ASCII codepoint, 17 is control character (0x11). ASCII control character.

Hex color

#000011

RGB(0, 0, 17)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.17.

Address: 0.0.0.17
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.0.17

Unspecified address (0.0.0.0/8) — "this network" placeholder.