7413
RFC 7413 defines TCP Fast Open.
- Odd
- Composite
Where 7413 fits
Why 7413 is special
It carries data in the opening packet, saving one round trip, and required a cookie mechanism to avoid becoming an amplification vector.
7413 is part of
Factors & digit properties
- Divisors (8)
- 1, 3, 7, 21, 353, 1059, 2471, 7413
- Prime factorisation
- 3 × 7 × 353
- Digit sum
- 15
- Digital root
- 6
Representations
- Decimal
- 7413
- Scientific notation
- 7.413 × 10^3
Roman numerals
Roman numerals as modelled here goes up to 3,999.
Binary
1 1 1 0 0 1 1 1 1 0 1 0 1
1 × 4,096 + 1 × 2,048 + 1 × 1,024 + 0 × 512 + 0 × 256 + 1 × 128 + 1 × 64 + 1 × 32 + 1 × 16 + 0 × 8 + 1 × 4 + 0 × 2 + 1 × 1 = 7,413
Octal
1 6 3 6 5
1 × 4,096 + 6 × 512 + 3 × 64 + 6 × 8 + 5 × 1 = 7,413
Hexadecimal
1 c f 5
1 × 4,096 + c × 256 + f × 16 + 5 × 1 = 7,413
Read as powers of two: 4,096 + 2,048 + 1,024 + 128 + 64 + 32 + 16 + 4 + 1 = 7,413.
In historical numeral systems
Egyptian
7 lotuses, 4 coils of rope, 1 hobble, 3 strokes
7 × 1,000 + 4 × 100 + 1 × 10 + 3 × 1 = 7,413. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
Other mathematical patterns
- Deficient number
Related numbers & connections
Fast Open carries data in the opening packet, saving a round trip at the cost of needing a cookie to prevent abuse.
Fast Open saves a round trip at connection setup, and needed a cookie so it did not become an amplification vector.
View 5681 →Numbers Around Us
- appears inNumbers that make the internet work
why?
Strength 0.50, confidence "high".
Other connections
- is associated with5681
why?
Strength 0.50, confidence "high".
Technology & computing
RFC 7413 specifies TCP Fast Open, allowing data in the SYN using a server-issued cookie to limit resource exhaustion and amplification from spoofed connections.
DocumentedTechnology & computingGeography: International — IETFPeriod: 2014
Common questions
Is 7413 a prime number?
No, 7413 is not prime.
What are the factors of 7413?
The factors of 7413 are 1, 3, 7, 21, 353, 1059, 2471, 7413.
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: 15 July 2026