Numberwise

4861

RFC 4861 defines IPv6 neighbor discovery.

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Where 4861 fits

Where 4861 fits: Mathematics, Related numbersMathematics: Prime. Related numbers: 4443, 826.MathematicsPrimeRelated numbers44438264861
4861 connects to 2 worlds: mathematics, related numbers.

Why 4861 is special

It replaces ARP, router discovery and redirect with one protocol built on ICMPv6, which is why IPv6 has no ARP at all.

4861 is part of

Prime numbers

Factors & digit properties

Divisors (2)
1, 4861
Prime factorisation
4861
Digit sum
19
Digital root
1

Representations

Decimal
4861
Binary
1001011111101
Octal
11375
Hexadecimal
12fd
Scientific notation
4.861 × 10^3

Other mathematical patterns

  • Deficient number

Related numbers & connections

Connection
Neighbor discovery is built on ICMPv6, which is why filtering it indiscriminately breaks IPv6 outright.

Neighbor discovery is built on ICMPv6, which is why filtering it indiscriminately breaks IPv6 outright.

View 4443 →

Other connections

  • is associated with4443
    why?

    Strength 0.50, confidence "high".

  • developed from826
    why?

    Strength 0.50, confidence "high".

How is 4861 connected to another number? →

Technology & computing

  • RFC 4861 specifies neighbor discovery for IPv6, covering address resolution, router discovery, prefix advertisement and redirects using ICMPv6 messages.

    DocumentedTechnology & computingGeography: International — IETFPeriod: 2007

Common questions

Is 4861 a prime number?

Yes, 4861 is prime — it has exactly two positive divisors: 1 and itself.

What are the factors of 4861?

The factors of 4861 are 1, 4861.

About this page's data

Mathematical facts:computed directly from the number's value — nothing to source or verify externally.

Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.

Last reviewed: 3 August 2026