1,371
1,371 is a composite number, odd, a calendar year.
Historical context — 1371 AD
Calendar year
Year 1371 (MCCCLXXI) was a common year starting on Wednesday of the Julian calendar.
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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
-
Tuesday
January 1, 1371
- Ended on
-
Tuesday
December 31, 1371
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1370s
1370–1379
- Century
-
14th century
1301–1400
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
655
655 years before 2026.
In other calendars
- Hebrew
-
5131 / 5132 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
772 / 773 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Metal zodiac:Pig
Sexagenary cycle position 48 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1914 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
749 / 750 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1363 / 1364 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1293 / 1292 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 3 × 457
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand three hundred seventy-one
- Ordinal
- 1371st
- Roman numeral
- MCCCLXXI
- Binary
- 10101011011
- Octal
- 2533
- Hexadecimal
- 0x55B
- Base64
- BVs=
- One's complement
- 64,164 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ατοαʹ
- Mayan (base 20)
- 𝋣·𝋨·𝋫
- Chinese
- 一千三百七十一
- Chinese (financial)
- 壹仟參佰柒拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,371 = 4
- e — Euler's number (e)
- Digit 1,371 = 8
- φ — Golden ratio (φ)
- Digit 1,371 = 8
- √2 — Pythagoras's (√2)
- Digit 1,371 = 9
- ln 2 — Natural log of 2
- Digit 1,371 = 0
- γ — Euler-Mascheroni (γ)
- Digit 1,371 = 6
Also seen as
UTF-8 encoding: D5 9B (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.91.
- Address
- 0.0.5.91
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.91
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 1371 first appears in π at position 13,707 of the decimal expansion (the 13,707ordinal-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.