Number

995

995 is a composite number, odd, a calendar year.

Arithmetic Number Deficient Number Odious Number Pernicious Number Recamán's Sequence Self Number Semiprime Squarefree Year

Historical context — 995 AD

Calendar year

Year 995 (CMXCV) was a common year starting on Tuesday of the Julian calendar.

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Historical context — 995 BC

Decade

The 990s BC is a decade that lasted from 999 BC to 990 BC.

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Year facts

Year type: Common year
Standard 365-day year; not divisible by 4 (or divisible by 100 but not 400).
Days in year: 365
ISO weeks: 53
Long year: contains 53 ISO weeks.
Started on: Thursday
January 1, 995
Ended on: Thursday
December 31, 995
Friday the 13ths: 3
3 Friday the 13ths this year.
Decade: 990s
990–999
Century: 10th century
901–1000
Millennium: 1st millennium
1–1000
Years ago: 1,031
1031 years before 2026.

In other calendars

Hebrew: 4755 / 4756 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 384 / 385 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Wood zodiac:Goat
Sexagenary cycle position 32 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1538 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 373 / 374 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 987 / 988 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 917 / 916 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 23
Digit product: 405
Digital root: 5
Palindrome: No
Bit width: 10 bits
Reversed: 599
Recamán's sequence: a(4,429) = 995
Square (n²): 990,025
Cube (n³): 985,074,875
Divisor count: 4
σ(n) — sum of divisors: 1,200
φ(n) — Euler's totient: 792
Sum of prime factors: 204

Primality

Prime factorization: 5 × 199

Nearest primes: 991 (−4) · 997 (+2)

Divisors & multiples

All divisors (4)

1 · 5 · 199 · 995

Aliquot sum (sum of proper divisors): 205

Factor pairs (a × b = 995)

1 × 995

5 × 199

First multiples

995 · 1,990 (double) · 2,985 · 3,980 · 4,975 · 5,970 · 6,965 · 7,960 · 8,955 · 9,950

Sums & aliquot sequence

As consecutive integers: 497 + 498 197 + 198 + 199 + 200 + 201 95 + 96 + … + 104

Aliquot sequence: 995 → 205 → 47 → 1 → 0 — terminates at zero

Representations

In words: nine hundred ninety-five
Ordinal: 995th
Roman numeral: CMXCV
Binary: 1111100011
Octal: 1743
Hexadecimal: 0x3E3
Base64: A+M=
One's complement: 64,540 (16-bit)

In other bases

ternary (3) 1100212

quaternary (4) 33203

quinary (5) 12440

senary (6) 4335

septenary (7) 2621

nonary (9) 1325

undecimal (11) 825

duodecimal (12) 6ab

tridecimal (13) 5b7

tetradecimal (14) 511

pentadecimal (15) 465

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ϡϟεʹ
Mayan (base 20): 𝋢·𝋩·𝋯
Chinese: 九百九十五
Chinese (financial): 玖佰玖拾伍

In other modern scripts

Eastern Arabic ٩٩٥ Devanagari ९९५ Bengali ৯৯৫ Tamil ௯௯௫ Thai ๙๙๕ Tibetan ༩༩༥ Khmer ៩៩៥ Lao ໙໙໕ Burmese ၉၉၅

Digit at this position in famous constants

π — Pi (π): Digit 995 = 4
e — Euler's number (e): Digit 995 = 0
φ — Golden ratio (φ): Digit 995 = 6
√2 — Pythagoras's (√2): Digit 995 = 8
ln 2 — Natural log of 2: Digit 995 = 4
γ — Euler-Mascheroni (γ): Digit 995 = 4

Also seen as

Unicode codepoint

Coptic Small Letter Shei

U+03E3

Lowercase letter (Ll)

UTF-8 encoding: CF A3 (2 bytes).

Lookup U+03E3 on Compart ↗ Lookup on FileFormat.Info ↗

Network port

TCP/UDP port 995 is the well-known port for POP3S — POP3 over TLS.

Hex color

#0003E3

RGB(0, 3, 227)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.227.

Address: 0.0.3.227
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.3.227

Unspecified address (0.0.0.0/8) — "this network" placeholder.