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104 681

104 681 is a prime, odd.

Ce nombre n'a pas encore de page permanente sur NumberWiki — ce qui suit est calculé en direct. Les pages sont ajoutées à l'index permanent lorsqu'elles sont notables (années, nombres premiers, éditoriaux, etc.).
Cousin Prime Deficient Number Prime Recamán's Sequence Squarefree Twin Prime

Propriétés

Parité
Impair
Nombre de chiffres
6
Somme des chiffres
20
Racine numérique
2
Palindrome
Non
Inversé
186 401
Suite de Recamán
a(91 829) = 104 681
Nombre de diviseurs
2
σ(n) — somme des diviseurs
104 682

Primalité

104 681 is prime. It has exactly two divisors: 1 and itself.

Diviseurs et multiples

All divisors (2)
1 · 104681
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 104 681)
1 × 104681
First multiples
104 681 · 209 362 · 314 043 · 418 724 · 523 405 · 628 086 · 732 767 · 837 448 · 942 129 · 1 046 810

Représentations

En lettres
one hundred four thousand six hundred eighty-one
Ordinal
104681st
Binaire
11001100011101001
Octal
314351
Hexadécimal
0x198E9
Base64
AZjp

Aussi vu comme

Prime neighborhood

Adjacent primes:

Pair status: twin with 104683, cousin with 104677.

Hex color
#0198E9
RGB(1, 152, 233)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.152.233.

Address
0.1.152.233
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.152.233

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 104 681 and was likely granted around 1870.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.