1,347
1,347 is a composite number, odd, a calendar year.
Notable events — 1347 AD
- Oct 1 The Black Death arrives in Europe at Messina.
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
-
Sunday
January 1, 1347
- Ended on
-
Sunday
December 31, 1347
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1340s
1340–1349
- Century
-
14th century
1301–1400
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
679
679 years before 2026.
In other calendars
- Hebrew
-
5107 / 5108 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
747 / 748 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Fire zodiac:Pig
Sexagenary cycle position 24 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1890 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
725 / 726 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1339 / 1340 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1269 / 1268 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 3 × 449
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand three hundred forty-seven
- Ordinal
- 1347th
- Roman numeral
- MCCCXLVII
- Binary
- 10101000011
- Octal
- 2503
- Hexadecimal
- 0x543
- Base64
- BUM=
- One's complement
- 64,188 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ατμζʹ
- Mayan (base 20)
- 𝋣·𝋧·𝋧
- Chinese
- 一千三百四十七
- Chinese (financial)
- 壹仟參佰肆拾柒
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,347 = 9
- e — Euler's number (e)
- Digit 1,347 = 9
- φ — Golden ratio (φ)
- Digit 1,347 = 4
- √2 — Pythagoras's (√2)
- Digit 1,347 = 8
- ln 2 — Natural log of 2
- Digit 1,347 = 8
- γ — Euler-Mascheroni (γ)
- Digit 1,347 = 9
Also seen as
UTF-8 encoding: D5 83 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.67.
- Address
- 0.0.5.67
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.67
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1347 first appears in π at position 15,969 of the decimal expansion (the 15,969ordinal-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.