1,309
1,309 is a composite number, odd, a calendar year.
Notable events — 1309 AD
- Mar 9 Pope Clement V moves the papacy to Avignon.
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, 1309
- Ended on
-
Tuesday
December 31, 1309
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1300s
1300–1309
- Century
-
14th century
1301–1400
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
717
717 years before 2026.
In other calendars
- Hebrew
-
5069 / 5070 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
708 / 709 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Earth zodiac:Rooster
Sexagenary cycle position 46 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1852 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
687 / 688 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1301 / 1302 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1231 / 1230 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 7 × 11 × 17
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand three hundred nine
- Ordinal
- 1309th
- Roman numeral
- MCCCIX
- Binary
- 10100011101
- Octal
- 2435
- Hexadecimal
- 0x51D
- Base64
- BR0=
- One's complement
- 64,226 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ατθʹ
- Mayan (base 20)
- 𝋣·𝋥·𝋩
- Chinese
- 一千三百零九
- Chinese (financial)
- 壹仟參佰零玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,309 = 7
- e — Euler's number (e)
- Digit 1,309 = 5
- φ — Golden ratio (φ)
- Digit 1,309 = 5
- √2 — Pythagoras's (√2)
- Digit 1,309 = 2
- ln 2 — Natural log of 2
- Digit 1,309 = 4
- γ — Euler-Mascheroni (γ)
- Digit 1,309 = 1
Also seen as
UTF-8 encoding: D4 9D (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.29.
- Address
- 0.0.5.29
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.29
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1309 first appears in π at position 744 of the decimal expansion (the 744ordinal-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.