1,850
1,850 is a composite number, even, a calendar year.
Notable events — 1850 AD
- Jul 9 US President Zachary Taylor dies; Millard Fillmore succeeds him.
- Sep 9 California is admitted as the 31st US state.
- Sep 18 Congress passes the Fugitive Slave Act as part of the Compromise of 1850.
- Nov 13 Robert Louis Stevenson is born in Edinburgh.
- Undated The Taiping Rebellion begins in China.
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, 1850
- Ended on
-
Tuesday
December 31, 1850
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
March 31
Sunday, March 31, 1850
- Decade
-
1850s
1850–1859
- Century
-
19th century
1801–1900
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
176
176 years before 2026.
In other calendars
- Hebrew
-
5610 / 5611 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1266 / 1267 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Metal zodiac:Dog
Sexagenary cycle position 47 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2393 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1228 / 1229 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1842 / 1843 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1772 / 1771 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 2 × 5 2 × 37
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand eight hundred fifty
- Ordinal
- 1850th
- Roman numeral
- MDCCCL
- Binary
- 11100111010
- Octal
- 3472
- Hexadecimal
- 0x73A
- Base64
- Bzo=
- One's complement
- 63,685 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵αωνʹ
- Mayan (base 20)
- 𝋤·𝋬·𝋪
- Chinese
- 一千八百五十
- Chinese (financial)
- 壹仟捌佰伍拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,850 = 1
- e — Euler's number (e)
- Digit 1,850 = 7
- φ — Golden ratio (φ)
- Digit 1,850 = 6
- √2 — Pythagoras's (√2)
- Digit 1,850 = 2
- ln 2 — Natural log of 2
- Digit 1,850 = 2
- γ — Euler-Mascheroni (γ)
- Digit 1,850 = 5
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1850, here are decompositions:
- 3 + 1847 = 1850
- 19 + 1831 = 1850
- 61 + 1789 = 1850
- 67 + 1783 = 1850
- 73 + 1777 = 1850
- 97 + 1753 = 1850
- 103 + 1747 = 1850
- 109 + 1741 = 1850
Showing the first eight; more decompositions exist.
UTF-8 encoding: DC BA (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.58.
- Address
- 0.0.7.58
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.58
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 1850 first appears in π at position 18,874 of the decimal expansion (the 18,874ordinal-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.