1,271
1,271 is a composite number, odd, a calendar year.
Notable events — 1271 AD
- Undated Marco Polo, his father, and uncle depart Venice for the court of Kublai Khan.
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
-
53
Long year: contains 53 ISO weeks.
- Started on
-
Thursday
January 1, 1271
- Ended on
-
Thursday
December 31, 1271
- Friday the 13ths
-
3
3 Friday the 13ths this year.
- Decade
-
1270s
1270–1279
- Century
-
13th century
1201–1300
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
755
755 years before 2026.
In other calendars
- Hebrew
-
5031 / 5032 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
669 / 670 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Metal zodiac:Goat
Sexagenary cycle position 8 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1814 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
649 / 650 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1263 / 1264 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1193 / 1192 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 31 × 41
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand two hundred seventy-one
- Ordinal
- 1271st
- Roman numeral
- MCCLXXI
- Binary
- 10011110111
- Octal
- 2367
- Hexadecimal
- 0x4F7
- Base64
- BPc=
- One's complement
- 64,264 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹 𒌋𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ασοαʹ
- Mayan (base 20)
- 𝋣·𝋣·𝋫
- Chinese
- 一千二百七十一
- Chinese (financial)
- 壹仟貳佰柒拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,271 = 1
- e — Euler's number (e)
- Digit 1,271 = 6
- φ — Golden ratio (φ)
- Digit 1,271 = 2
- √2 — Pythagoras's (√2)
- Digit 1,271 = 2
- ln 2 — Natural log of 2
- Digit 1,271 = 8
- γ — Euler-Mascheroni (γ)
- Digit 1,271 = 2
Also seen as
UTF-8 encoding: D3 B7 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.247.
- Address
- 0.0.4.247
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.4.247
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1271 first appears in π at position 607 of the decimal expansion (the 607ordinal-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.