995
Port 995 carries POP3 over TLS — encrypted mail download.
- Odd
- Composite
Where 995 fits
Why 995 is special
995 is the encrypted form of the older download-and-delete mail model. It persists mainly where mail must be pulled off a server and stored locally, which is a shrinking but genuine use rather than pure legacy.
Factors & digit properties
- Divisors (4)
- 1, 5, 199, 995
- Prime factorisation
- 5 × 199
- Digit sum
- 23
- Digital root
- 5
Representations
- Decimal
- 995
- Binary
- 1111100011
- Octal
- 1743
- Hexadecimal
- 3e3
- Roman numeral
- CMXCV
- Scientific notation
- 9.950 × 10^2
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
IMAP leaves mail on the server so every device sees the same mailbox; POP3 downloads and deletes it. The choice between the two ports is the choice between those models.
View 143 →Other connections
- contrasts with143
why?
Strength 0.50, confidence "high".
Technology & computing
995 carries POP3 over TLS, the download-and-delete approach to mail. It survives where messages genuinely need to be pulled off a server and kept locally, which is a narrow but real use rather than pure legacy.
DocumentedTechnology & computing
Common questions
Is 995 a prime number?
No, 995 is not prime.
What are the factors of 995?
The factors of 995 are 1, 5, 199, 995.
What is 995 in Roman numerals?
995 in Roman numerals is CMXCV.
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