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Number

1,379

1,379 is a composite number, odd, a calendar year.

Arithmetic Number Ascending Digits Deficient Number Evil Number Recamán's Sequence Self Number Semiprime Squarefree Year

Historical context — 1379 AD

Calendar year

Year 1379 (MCCCLXXIX) was a common year starting on Saturday 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
Friday
January 1, 1379
Ended on
Friday
December 31, 1379
Friday the 13ths
1
One Friday the 13th this year.
Decade
1370s
1370–1379
Century
14th century
1301–1400
Millennium
2nd millennium
1001–2000
Years ago
647
647 years before 2026.

In other calendars

Hebrew
5139 / 5140 AM
Rosh Hashanah falls in September/October.
Islamic Hijri
780 / 781 AH
Lunar calendar; year spans differ from Gregorian.
Chinese
Year of the zodiac:Earth zodiac:Goat
Sexagenary cycle position 56 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
1922 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri
757 / 758 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian
1371 / 1372 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
1301 / 1300 Saka
Indian national calendar; year starts in March.

Properties

Parity
Odd
Digit count
4
Digit sum
20
Digit product
189
Digital root
2
Palindrome
No
Bit width
11 bits
Reversed
9,731
Recamán's sequence
a(8,370) = 1,379
Square (n²)
1,901,641
Cube (n³)
2,622,362,939
Divisor count
4
σ(n) — sum of divisors
1,584
φ(n) — Euler's totient
1,176
Sum of prime factors
204

Primality

Prime factorization: 7 × 197

Nearest primes: 1,373 (−6) · 1,381 (+2)

Divisors & multiples

All divisors (4)
1 · 7 · 197 · 1379
Aliquot sum (sum of proper divisors): 205
Factor pairs (a × b = 1,379)
1 × 1379
7 × 197
First multiples
1,379 · 2,758 (double) · 4,137 · 5,516 · 6,895 · 8,274 · 9,653 · 11,032 · 12,411 · 13,790

Sums & aliquot sequence

As consecutive integers: 689 + 690 194 + 195 + … + 200 92 + 93 + … + 105
Aliquot sequence: 1,379 205 47 1 0 — terminates at zero

Representations

In words
one thousand three hundred seventy-nine
Ordinal
1379th
Roman numeral
MCCCLXXIX
Binary
10101100011
Octal
2543
Hexadecimal
0x563
Base64
BWM=
One's complement
64,156 (16-bit)
In other bases
ternary (3) 1220002
quaternary (4) 111203
quinary (5) 21004
senary (6) 10215
septenary (7) 4010
nonary (9) 1802
undecimal (11) 1044
duodecimal (12) 96b
tridecimal (13) 821
tetradecimal (14) 707
pentadecimal (15) 61e

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ατοθʹ
Mayan (base 20)
𝋣·𝋨·𝋳
Chinese
一千三百七十九
Chinese (financial)
壹仟參佰柒拾玖
In other modern scripts
Eastern Arabic ١٣٧٩ Devanagari १३७९ Bengali ১৩৭৯ Tamil ௧௩௭௯ Thai ๑๓๗๙ Tibetan ༡༣༧༩ Khmer ១៣៧៩ Lao ໑໓໗໙ Burmese ၁၃၇၉

Digit at this position in famous constants

π — Pi (π)
Digit 1,379 = 2
e — Euler's number (e)
Digit 1,379 = 1
φ — Golden ratio (φ)
Digit 1,379 = 4
√2 — Pythagoras's (√2)
Digit 1,379 = 8
ln 2 — Natural log of 2
Digit 1,379 = 7
γ — Euler-Mascheroni (γ)
Digit 1,379 = 5

Also seen as

Unicode codepoint
գ
Armenian Small Letter Gim
U+0563
Lowercase letter (Ll)

UTF-8 encoding: D5 A3 (2 bytes).

Hex color
#000563
RGB(0, 5, 99)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.99.

Address
0.0.5.99
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.5.99

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 1379 first appears in π at position 23,763 of the decimal expansion (the 23,763ordinal-suffix:rd 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.