Number

1,429

1,429 is a prime, odd, a calendar year.

Arithmetic Number Cousin Prime Deficient Number Emirp Evil Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Squarefree Twin Prime Year

Notable events — 1429 AD

May 8 Joan of Arc lifts the English siege of Orléans.

Events compiled from Wikipedia ↗ · Licensed CC BY-SA 4.0

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: 53
Long year: contains 53 ISO weeks.
Started on: Thursday
January 1, 1429
Ended on: Thursday
December 31, 1429
Friday the 13ths: 3
3 Friday the 13ths this year.
Decade: 1420s
1420–1429
Century: 15th century
1401–1500
Millennium: 2nd millennium
1001–2000
Years ago: 597
597 years before 2026.

In other calendars

Hebrew: 5189 / 5190 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 832 / 833 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Earth zodiac:Rooster
Sexagenary cycle position 46 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1972 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 807 / 808 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1421 / 1422 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1351 / 1350 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 4
Digit sum: 16
Digit product: 72
Digital root: 7
Palindrome: No
Bit width: 11 bits
Reversed: 9,241
Recamán's sequence: a(1,702) = 1,429
Square (n²): 2,042,041
Cube (n³): 2,918,076,589
Divisor count: 2
σ(n) — sum of divisors: 1,430
φ(n) — Euler's totient: 1,428

Primality

1,429 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 1429

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 1,429)

1 × 1429

First multiples

1,429 · 2,858 (double) · 4,287 · 5,716 · 7,145 · 8,574 · 10,003 · 11,432 · 12,861 · 14,290

Sums & aliquot sequence

As a sum of two squares: 23² + 30²

As consecutive integers: 714 + 715

Representations

In words: one thousand four hundred twenty-nine
Ordinal: 1429th
Roman numeral: MCDXXIX
Binary: 10110010101
Octal: 2625
Hexadecimal: 0x595
Base64: BZU=
One's complement: 64,106 (16-bit)

In other bases

ternary (3) 1221221

quaternary (4) 112111

quinary (5) 21204

senary (6) 10341

septenary (7) 4111

nonary (9) 1857

undecimal (11) 108a

duodecimal (12) 9b1

tridecimal (13) 85c

tetradecimal (14) 741

pentadecimal (15) 654

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵αυκθʹ
Mayan (base 20): 𝋣·𝋫·𝋩
Chinese: 一千四百二十九
Chinese (financial): 壹仟肆佰貳拾玖

In other modern scripts

Eastern Arabic ١٤٢٩ Devanagari १४२९ Bengali ১৪২৯ Tamil ௧௪௨௯ Thai ๑๔๒๙ Tibetan ༡༤༢༩ Khmer ១៤២៩ Lao ໑໔໒໙ Burmese ၁၄၂၉

Digit at this position in famous constants

π — Pi (π): Digit 1,429 = 9
e — Euler's number (e): Digit 1,429 = 5
φ — Golden ratio (φ): Digit 1,429 = 2
√2 — Pythagoras's (√2): Digit 1,429 = 4
ln 2 — Natural log of 2: Digit 1,429 = 4
γ — Euler-Mascheroni (γ): Digit 1,429 = 4

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 1,427 (gap of 2)
Next prime: 1,433 (gap of 4)

Pair status: twin with 1427, cousin with 1433.

Unicode codepoint

Hebrew Accent Zaqef Gadol

U+0595

Non-spacing mark (Mn)

UTF-8 encoding: D6 95 (2 bytes).

Lookup U+0595 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000595

RGB(0, 5, 149)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.149.

Address: 0.0.5.149
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.5.149

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

Position in π

The digit sequence 1429 first appears in π at position 2,121 of the decimal expansion (the 2,121ordinal-suffix:st 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 1429 on Pi Search ↗