1,895
1,895 is a composite number, odd, a calendar year.
1,895 (one thousand eight hundred ninety-five) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 5 × 379. Written other ways, in Roman numerals it is MDCCCXCV and in binary, 11101100111.
Interestingness
Notable events — 1895 AD
- Apr 17 The Treaty of Shimonoseki ends the First Sino-Japanese War with a Japanese victory.
- Nov 8 Wilhelm Röntgen discovers X-rays at the University of Würzburg.
- Dec 28 The Lumière brothers hold the first public film screening, in Paris.
- Feb 24 Cuba's War of Independence begins with the "Grito de Baire".
- May 18 Trinity College Dublin admits its first women students.
Events compiled from Wikipedia ↗ · Licensed CC BY-SA 4.0
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
-
Tuesday
January 1, 1895
- Ended on
-
Tuesday
December 31, 1895
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
April 14
Sunday, April 14, 1895
- Decade
-
1890s
1890–1899
- Century
-
19th century
1801–1900
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
131
131 years before 2026.
In other calendars
- Hebrew
-
5655 / 5656 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1312 / 1313 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
-
2438 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1273 / 1274 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1887 / 1888 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1817 / 1816 Saka
Indian national calendar; year starts in March.
- Japanese
-
Meiji 28
Reign-era counting from the start of each emperor's reign.
Properties
Primality
Prime factorization: 5 × 379
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,895 = [43; (1, 1, 7, 2, 2, 2, 1, 16, 1, 2, 2, 2, 7, 1, 1, 86)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one thousand eight hundred ninety-five
- Ordinal
- 1895th
- Roman numeral
- MDCCCXCV
- Binary
- 11101100111
- Octal
- 3547
- Hexadecimal
- 0x767
- Base64
- B2c=
- One's complement
- 63,640 (16-bit)
- Scientific notation
- 1.895 × 10³
- As a duration
- 1,895 s = 31 minutes, 35 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αωϟεʹ
- Mayan (base 20)
- 𝋤·𝋮·𝋯
- Chinese
- 一千八百九十五
- Chinese (financial)
- 壹仟捌佰玖拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,895 = 6
- e — Euler's number (e)
- Digit 1,895 = 2
- φ — Golden ratio (φ)
- Digit 1,895 = 3
- √2 — Pythagoras's (√2)
- Digit 1,895 = 7
- ln 2 — Natural log of 2
- Digit 1,895 = 0
- γ — Euler-Mascheroni (γ)
- Digit 1,895 = 3
Also seen as
UTF-8 encoding: DD A7 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.103.
- Address
- 0.0.7.103
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.103
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,895 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A♯6 (1864.7 Hz, +28¢)
- Scientific pitch (C4 = 256 Hz): B6 (1933.1 Hz, -34¢)
- Baroque pitch (A4 = 415 Hz): B6 (1863.3 Hz, +29¢)
The digit sequence 1895 first appears in π at position 4,485 of the decimal expansion (the 4,485ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.