1,383
1,383 is a composite number, odd, a calendar year.
1,383 (one thousand three hundred eighty-three) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 3 × 461. Written other ways, in Roman numerals it is MCCCLXXXIII and in binary, 10101100111.
Interestingness
Historical context — 1383 AD
Calendar year
Year 1383 (MCCCLXXXIII) was a common year starting on Thursday 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
-
Wednesday
January 1, 1383
- Ended on
-
Wednesday
December 31, 1383
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
1380s
1380–1389
- Century
-
14th century
1301–1400
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
643
643 years before 2026.
In other calendars
- Hebrew
-
5143 / 5144 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
784 / 785 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Water zodiac:Pig
Sexagenary cycle position 60 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1926 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
761 / 762 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1375 / 1376 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1305 / 1304 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 3 × 461
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,383 = [37; (5, 3, 2, 1, 11, 1, 2, 3, 5, 74)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- one thousand three hundred eighty-three
- Ordinal
- 1383rd
- Roman numeral
- MCCCLXXXIII
- Binary
- 10101100111
- Octal
- 2547
- Hexadecimal
- 0x567
- Base64
- BWc=
- One's complement
- 64,152 (16-bit)
- Scientific notation
- 1.383 × 10³
- As a duration
- 1,383 s = 23 minutes, 3 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ατπγʹ
- Mayan (base 20)
- 𝋣·𝋩·𝋣
- Chinese
- 一千三百八十三
- Chinese (financial)
- 壹仟參佰捌拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,383 = 1
- e — Euler's number (e)
- Digit 1,383 = 1
- φ — Golden ratio (φ)
- Digit 1,383 = 2
- √2 — Pythagoras's (√2)
- Digit 1,383 = 2
- ln 2 — Natural log of 2
- Digit 1,383 = 9
- γ — Euler-Mascheroni (γ)
- Digit 1,383 = 5
Also seen as
UTF-8 encoding: D5 A7 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.103.
- Address
- 0.0.5.103
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.103
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,383 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F6 (1396.9 Hz, -17¢)
- Scientific pitch (C4 = 256 Hz): F6 (1366.9 Hz, +20¢)
- Baroque pitch (A4 = 415 Hz): F♯6 (1395.9 Hz, -16¢)
The digit sequence 1383 first appears in π at position 5,699 of the decimal expansion (the 5,699ordinal-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.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.