850
850 is a composite number, even, a calendar year.
Historical context — 850 AD
Calendar year
Year 850 (DCCCL) was a common year starting on Wednesday of the Julian calendar.
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Historical context — 850 BC
Decade
This article concerns the period 859 BC – 850 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
- 52
- Started on
-
Saturday
January 1, 850
- Ended on
-
Saturday
December 31, 850
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
850s
850–859
- Century
-
9th century
801–900
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,176
1176 years before 2026.
In other calendars
- Hebrew
-
4610 / 4611 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
235 / 236 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Metal zodiac:Horse
Sexagenary cycle position 7 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1393 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
228 / 229 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
842 / 843 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
772 / 771 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 2 × 5 2 × 17
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- eight hundred fifty
- Ordinal
- 850th
- Roman numeral
- DCCCL
- Binary
- 1101010010
- Octal
- 1522
- Hexadecimal
- 0x352
- Base64
- A1I=
- One's complement
- 64,685 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ωνʹ
- Mayan (base 20)
- 𝋢·𝋢·𝋪
- Chinese
- 八百五十
- Chinese (financial)
- 捌佰伍拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 850 = 8
- e — Euler's number (e)
- Digit 850 = 1
- φ — Golden ratio (φ)
- Digit 850 = 9
- √2 — Pythagoras's (√2)
- Digit 850 = 9
- ln 2 — Natural log of 2
- Digit 850 = 0
- γ — Euler-Mascheroni (γ)
- Digit 850 = 6
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 850, here are decompositions:
- 11 + 839 = 850
- 23 + 827 = 850
- 29 + 821 = 850
- 41 + 809 = 850
- 53 + 797 = 850
- 89 + 761 = 850
- 107 + 743 = 850
- 131 + 719 = 850
Showing the first eight; more decompositions exist.
UTF-8 encoding: CD 92 (2 bytes).
Code page 850 is DOS Latin-1 (Western) — Multilingual DOS code page covering Western European languages.
Code pages are integer identifiers used by Windows and other systems to refer to specific character encodings.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.82.
- Address
- 0.0.3.82
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.3.82
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The number 850 is an active NANP area code (North American Numbering Plan).
- Primary area
- Tallahassee / Pensacola
- Region
- Florida
- Country
- United States
Most NANP area codes have multiple overlays in dense regions; the primary area listed is the historic/largest population center for this code.