95
95 is a composite number, odd, a calendar year.
95 (ninety-five) is an odd 2-digit number. It is a composite number with 4 divisors, and factors as 5 × 19. Written other ways, in Roman numerals it is XCV and in binary, 1011111.
Interestingness
Historical context — 95 AD
Calendar year
AD 95 (XCV) was a common year starting on Thursday of the Julian calendar, the 95th Year of the Anno Domini (AD) designation, the 95th year of the 1st millennium, the 95th year of the end of the 1st century, and the 5th year of the 10th decade.
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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
- 52
- Started on
-
Saturday
January 1, 95
- Ended on
-
Saturday
December 31, 95
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
90s
90–99
- Century
-
1st century
1–100
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,931
1931 years before 2026.
In other calendars
- Hebrew
-
3855 / 3856 AM
Rosh Hashanah falls in September/October.
- 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
-
638 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Ethiopian
-
87 / 88 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
17 / 16 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 5 × 19
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√95 = [9; (1, 2, 1, 18)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- ninety-five
- Ordinal
- 95th
- Roman numeral
- XCV
- Binary
- 1011111
- Octal
- 137
- Hexadecimal
- 0x5F
- Base64
- Xw==
- One's complement
- 160 (8-bit)
- Scientific notation
- 9.5 × 10¹
- As a duration
- 95 s = 1 minute, 35 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ϟεʹ
- Mayan (base 20)
- 𝋤·𝋯
- Chinese
- 九十五
- Chinese (financial)
- 玖拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 95 = 1
- e — Euler's number (e)
- Digit 95 = 1
- φ — Golden ratio (φ)
- Digit 95 = 3
- √2 — Pythagoras's (√2)
- Digit 95 = 6
- ln 2 — Natural log of 2
- Digit 95 = 4
- γ — Euler-Mascheroni (γ)
- Digit 95 = 7
Also seen as
As an ASCII codepoint, 95 is _. Printable ASCII character _.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.95.
- Address
- 0.0.0.95
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.0.95
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Matches numbered highway designation:
- I-95 — Miami, FL to Houlton, ME — the east-coast spine through 15 states.
Heard as a frequency, 95 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F♯2 (92.5 Hz, +46¢ — about midway to G2)
- Scientific pitch (C4 = 256 Hz): G2 (95.9 Hz, -16¢)
- Baroque pitch (A4 = 415 Hz): G2 (92.4 Hz, +47¢ — about midway to G♯2)
As a MIDI note number, 95 is B6 (1975.5 Hz at concert pitch).
On the periodic table, atomic number 95 is Americium (Am) — period 7.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.