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Number

1,383

1,383 is a composite number, odd, a calendar year.

Arithmetic Number Deficient Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree Year

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

Parity
Odd
Digit count
4
Digit sum
15
Digit product
72
Digital root
6
Palindrome
No
Bit width
11 bits
Reversed
3,831
Recamán's sequence
a(8,362) = 1,383
Square (n²)
1,912,689
Cube (n³)
2,645,248,887
Divisor count
4
σ(n) — sum of divisors
1,848
φ(n) — Euler's totient
920
Sum of prime factors
464

Primality

Prime factorization: 3 × 461

Nearest primes: 1,381 (−2) · 1,399 (+16)

Divisors & multiples

All divisors (4)
1 · 3 · 461 · 1383
Aliquot sum (sum of proper divisors): 465
Factor pairs (a × b = 1,383)
1 × 1383
3 × 461
First multiples
1,383 · 2,766 (double) · 4,149 · 5,532 · 6,915 · 8,298 · 9,681 · 11,064 · 12,447 · 13,830

Sums & aliquot sequence

As consecutive integers: 691 + 692 460 + 461 + 462 228 + 229 + 230 + 231 + 232 + 233
Aliquot sequence: 1,383 465 303 105 87 33 15 9 4 3 1 0 — terminates at zero

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)
In other bases
ternary (3) 1220020
quaternary (4) 111213
quinary (5) 21013
senary (6) 10223
septenary (7) 4014
nonary (9) 1806
undecimal (11) 1048
duodecimal (12) 973
tridecimal (13) 825
tetradecimal (14) 70b
pentadecimal (15) 623

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
In other modern scripts
Eastern Arabic ١٣٨٣ Devanagari १३८३ Bengali ১৩৮৩ Tamil ௧௩௮௩ Thai ๑๓๘๓ Tibetan ༡༣༨༣ Khmer ១៣៨៣ Lao ໑໓໘໓ Burmese ၁၃၈၃

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

Unicode codepoint
է
Armenian Small Letter Eh
U+0567
Lowercase letter (Ll)

UTF-8 encoding: D5 A7 (2 bytes).

Hex color
#000567
RGB(0, 5, 103)
IPv4 address

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.

Position in π

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.