1,875
1,875 is a composite number, odd, a calendar year.
Notable events — 1875 AD
- Mar 1 The Civil Rights Act of 1875 prohibits racial discrimination in public accommodations.
- May 17 The first Kentucky Derby is run at Churchill Downs.
- Aug 25 Captain Matthew Webb becomes the first to swim the English Channel.
- Jul 4 Bizet's Carmen receives its hostile premiere in Paris.
- Feb 21 Jeanne Calment is born; she will live to age 122.
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
-
Friday
January 1, 1875
- Ended on
-
Friday
December 31, 1875
- Friday the 13ths
-
1
One Friday the 13th this year.
- Easter Sunday
-
March 28
Sunday, March 28, 1875
- Decade
-
1870s
1870–1879
- Century
-
19th century
1801–1900
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
151
151 years before 2026.
In other calendars
- Hebrew
-
5635 / 5636 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1291 / 1292 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Wood zodiac:Pig
Sexagenary cycle position 12 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2418 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1253 / 1254 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1867 / 1868 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1797 / 1796 Saka
Indian national calendar; year starts in March.
- Japanese
-
Meiji 8
Reign-era counting from the start of each emperor's reign.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 21
- Digit product
- 280
- Digital root
- 3
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 5,781
- Recamán's sequence
- a(7,994) = 1,875
- Square (n²)
- 3,515,625
- Cube (n³)
- 6,591,796,875
- Divisor count
- 10
- σ(n) — sum of divisors
- 3,124
- φ(n) — Euler's totient
- 1,000
- Sum of prime factors
- 23
Primality
Prime factorization: 3 × 5 4
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand eight hundred seventy-five
- Ordinal
- 1875th
- Roman numeral
- MDCCCLXXV
- Binary
- 11101010011
- Octal
- 3523
- Hexadecimal
- 0x753
- Base64
- B1M=
- One's complement
- 63,660 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αωοεʹ
- Mayan (base 20)
- 𝋤·𝋭·𝋯
- Chinese
- 一千八百七十五
- Chinese (financial)
- 壹仟捌佰柒拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,875 = 4
- e — Euler's number (e)
- Digit 1,875 = 1
- φ — Golden ratio (φ)
- Digit 1,875 = 9
- √2 — Pythagoras's (√2)
- Digit 1,875 = 4
- ln 2 — Natural log of 2
- Digit 1,875 = 5
- γ — Euler-Mascheroni (γ)
- Digit 1,875 = 7
Also seen as
UTF-8 encoding: DD 93 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.83.
- Address
- 0.0.7.83
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.83
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1875 first appears in π at position 9,070 of the decimal expansion (the 9,070ordinal-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.