5156
RFC 5156 catalogued IPv6 special-use addresses.
- Even
- Composite
Where 5156 fits
Why 5156 is special
It is the IPv6 counterpart, and its existence so soon after deployment shows the same accumulation happening again.
Factors & digit properties
- Divisors (6)
- 1, 2, 4, 1289, 2578, 5156
- Prime factorisation
- 2^2 × 1289
- Digit sum
- 17
- Digital root
- 8
Representations
- Decimal
- 5156
- Binary
- 1010000100100
- Octal
- 12044
- Hexadecimal
- 1424
- Scientific notation
- 5.156 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
One catalogues IPv4 special-use addresses and the other IPv6, both gathering reservations that had accumulated piecemeal.
View 5735 →Unique local addressing is one of the special-purpose IPv6 ranges the catalogue records.
View 4193 →Technology & computing
RFC 5156 summarised IPv6 special-use addresses including documentation, unique local, link-local and transition mechanism prefixes.
DocumentedTechnology & computingGeography: International — IETFPeriod: 2008
Common questions
Is 5156 a prime number?
No, 5156 is not prime.
What are the factors of 5156?
The factors of 5156 are 1, 2, 4, 1289, 2578, 5156.
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