5353
Port 5353 carries multicast DNS, the protocol behind Bonjour and local device discovery.
- Odd
- Composite
Where 5353 fits
Why 5353 is special
mDNS is why a printer, speaker or TV appears by name on a home network with nothing configured. Devices answer name queries about themselves, which works well on a trusted network and leaks a device inventory on an untrusted one.
5353 is part of
Factors & digit properties
- Divisors (4)
- 1, 53, 101, 5353
- Prime factorisation
- 53 × 101
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 5353
- Binary
- 1010011101001
- Octal
- 12351
- Hexadecimal
- 14e9
- Scientific notation
- 5.353 × 10^3
Other mathematical patterns
- Deficient number
- Happy number
- Semiprime
Related numbers & connections
The IEEE 802 family defines the wired and wireless networks that multicast DNS runs over to let devices find each other without any server.
View 802 →Technology & computing
mDNS lets a network resolve names without a DNS server: each device answers for itself. That is why .local addresses work on a home network and why an untrusted network learns the make, model and hostname of everything on it.
DocumentedTechnology & computing
Common questions
Is 5353 a prime number?
No, 5353 is not prime.
What are the factors of 5353?
The factors of 5353 are 1, 53, 101, 5353.
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