Number

1,329

1,329 is a composite number, odd, a calendar year.

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

Historical context — 1329 AD

Calendar year

Year 1329 (MCCCXXIX) was a common year starting on Sunday 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: Saturday
January 1, 1329
Ended on: Saturday
December 31, 1329
Friday the 13ths: 1
One Friday the 13th this year.
Decade: 1320s
1320–1329
Century: 14th century
1301–1400
Millennium: 2nd millennium
1001–2000
Years ago: 697
697 years before 2026.

In other calendars

Hebrew: 5089 / 5090 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 729 / 730 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Earth zodiac:Snake
Sexagenary cycle position 6 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1872 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 707 / 708 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1321 / 1322 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1251 / 1250 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 4
Digit sum: 15
Digit product: 54
Digital root: 6
Palindrome: No
Bit width: 11 bits
Reversed: 9,231
Recamán's sequence: a(16,477) = 1,329
Square (n²): 1,766,241
Cube (n³): 2,347,334,289
Divisor count: 4
σ(n) — sum of divisors: 1,776
φ(n) — Euler's totient: 884
Sum of prime factors: 446

Primality

Prime factorization: 3 × 443

Nearest primes: 1,327 (−2) · 1,361 (+32)

Divisors & multiples

All divisors (4)

1 · 3 · 443 · 1329

Aliquot sum (sum of proper divisors): 447

Factor pairs (a × b = 1,329)

1 × 1329

3 × 443

First multiples

1,329 · 2,658 (double) · 3,987 · 5,316 · 6,645 · 7,974 · 9,303 · 10,632 · 11,961 · 13,290

Sums & aliquot sequence

As consecutive integers: 664 + 665 442 + 443 + 444 219 + 220 + 221 + 222 + 223 + 224

Aliquot sequence: 1,329 → 447 → 153 → 81 → 40 → 50 → 43 → 1 → 0 — terminates at zero

Representations

In words: one thousand three hundred twenty-nine
Ordinal: 1329th
Roman numeral: MCCCXXIX
Binary: 10100110001
Octal: 2461
Hexadecimal: 0x531
Base64: BTE=
One's complement: 64,206 (16-bit)

In other bases

ternary (3) 1211020

quaternary (4) 110301

quinary (5) 20304

senary (6) 10053

septenary (7) 3606

nonary (9) 1736

undecimal (11) aa9

duodecimal (12) 929

tridecimal (13) 7b3

tetradecimal (14) 6ad

pentadecimal (15) 5d9

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ατκθʹ
Mayan (base 20): 𝋣·𝋦·𝋩
Chinese: 一千三百二十九
Chinese (financial): 壹仟參佰貳拾玖

In other modern scripts

Eastern Arabic ١٣٢٩ Devanagari १३२९ Bengali ১৩২৯ Tamil ௧௩௨௯ Thai ๑๓๒๙ Tibetan ༡༣༢༩ Khmer ១៣២៩ Lao ໑໓໒໙ Burmese ၁၃၂၉

Digit at this position in famous constants

π — Pi (π): Digit 1,329 = 5
e — Euler's number (e): Digit 1,329 = 9
φ — Golden ratio (φ): Digit 1,329 = 1
√2 — Pythagoras's (√2): Digit 1,329 = 7
ln 2 — Natural log of 2: Digit 1,329 = 4
γ — Euler-Mascheroni (γ): Digit 1,329 = 0

Also seen as

Unicode codepoint

Armenian Capital Letter Ayb

U+0531

Uppercase letter (Lu)

UTF-8 encoding: D4 B1 (2 bytes).

Lookup U+0531 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000531

RGB(0, 5, 49)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.49.

Address: 0.0.5.49
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.5.49

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

Position in π

The digit sequence 1329 first appears in π at position 3,616 of the decimal expansion (the 3,616ordinal-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.

Look up 1329 on Pi Search ↗