1,799
1,799 is a composite number, odd, a calendar year.
Notable events — 1799 AD
- Nov 9 Napoleon overthrows the Directory in the 18 Brumaire coup.
- Dec 14 George Washington dies at Mount Vernon.
- Jul 15 French troops in Egypt discover the Rosetta Stone.
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, 1799
- Ended on
-
Tuesday
December 31, 1799
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
March 24
Sunday, March 24, 1799
- Decade
-
1790s
1790–1799
- Century
-
18th century
1701–1800
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
227
227 years before 2026.
In other calendars
- Hebrew
-
5559 / 5560 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1213 / 1214 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Earth zodiac:Goat
Sexagenary cycle position 56 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2342 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1177 / 1178 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1791 / 1792 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1721 / 1720 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 7 × 257
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand seven hundred ninety-nine
- Ordinal
- 1799th
- Roman numeral
- MDCCXCIX
- Binary
- 11100000111
- Octal
- 3407
- Hexadecimal
- 0x707
- Base64
- Bwc=
- One's complement
- 63,736 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αψϟθʹ
- Mayan (base 20)
- 𝋤·𝋩·𝋳
- Chinese
- 一千七百九十九
- Chinese (financial)
- 壹仟柒佰玖拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,799 = 3
- e — Euler's number (e)
- Digit 1,799 = 3
- φ — Golden ratio (φ)
- Digit 1,799 = 6
- √2 — Pythagoras's (√2)
- Digit 1,799 = 8
- ln 2 — Natural log of 2
- Digit 1,799 = 5
- γ — Euler-Mascheroni (γ)
- Digit 1,799 = 0
Also seen as
UTF-8 encoding: DC 87 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.7.
- Address
- 0.0.7.7
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.7
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1799 first appears in π at position 2,947 of the decimal expansion (the 2,947ordinal-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.