1149
RFC 1149 specifies the transmission of IP datagrams over avian carriers.
- Odd
- Composite
Where 1149 fits
Why 1149 is special
It was published on 1 April 1990 as a joke and then implemented successfully in Norway in 2001, with nine packets sent and four returned.
1149 is part of
Factors & digit properties
- Divisors (4)
- 1, 3, 383, 1149
- Prime factorisation
- 3 × 383
- Digit sum
- 15
- Digital root
- 6
Representations
- Decimal
- 1149
- Binary
- 10001111101
- Octal
- 2175
- Hexadecimal
- 47d
- Roman numeral
- MCXLIX
- Scientific notation
- 1.149 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
Both are April Fools' RFCs; one was later implemented in Norway and the other produced a status code that survives in the registry.
View 2324 →Numbers Around Us
- appears alongside2324
why?
Strength 0.50, confidence "high".
- appears inNumbers assigned as identifiers
why?
Strength 0.50, confidence "high".
Technology & computing
IEEE 1149.1 defines JTAG boundary scan, allowing a chip's pins to be tested and its internals accessed through four dedicated signals. It is also the usual debug interface on embedded processors.
DocumentedTechnology & computingGeography: International — IEEEPeriod: 1990–RFC 1149 describes carrying IP datagrams by homing pigeon, noting high latency and low throughput. A Bergen group implemented it in 2001 and recorded ping times in the order of an hour.
DocumentedTechnology & computingGeography: International — IETFPeriod: 1990
Common questions
Is 1149 a prime number?
No, 1149 is not prime.
What are the factors of 1149?
The factors of 1149 are 1, 3, 383, 1149.
What is 1149 in Roman numerals?
1149 in Roman numerals is MCXLIX.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 3 August 2026