1157
RFC 1157 defines the Simple Network Management Protocol.
- Odd
- Composite
Where 1157 fits
Why 1157 is special
Version 1 authenticated with a plain-text community string, and the default value of that string on shipped equipment was 'public'.
Factors & digit properties
- Divisors (4)
- 1, 13, 89, 1157
- Prime factorisation
- 13 × 89
- Digit sum
- 14
- Digital root
- 5
Representations
- Decimal
- 1157
- Binary
- 10010000101
- Octal
- 2205
- Hexadecimal
- 485
- Roman numeral
- MCLVII
- Scientific notation
- 1.157 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
RADIUS and SNMP both date from the era of managing dial-up equipment, and both carry secrets in ways later revisions had to address.
View 2865 →Technology & computing
RFC 1157 specifies SNMPv1 for querying and setting device variables. Its community-string authentication is sent in clear text, and default values were widely left unchanged.
DocumentedTechnology & computingGeography: International — IETFPeriod: 1990
Common questions
Is 1157 a prime number?
No, 1157 is not prime.
What are the factors of 1157?
The factors of 1157 are 1, 13, 89, 1157.
What is 1157 in Roman numerals?
1157 in Roman numerals is MCLVII.
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