Number

429

429 is a composite number, odd, a calendar year.

Arithmetic Number Catalan Number Deficient Number Evil Number Recamán's Sequence Sphenic Number Squarefree Year

Historical context — 429 AD

Calendar year

Year 429 (CDXXIX) was a common year starting on Tuesday of the Julian calendar.

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Historical context — 429 BC

Calendar year

Year 429 BC was a year of the pre-Julian Roman calendar.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 · English fallback Read the full article on Wikipedia →

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: Monday
January 1, 429
Ended on: Monday
December 31, 429
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 420s
420–429
Century: 5th century
401–500
Millennium: 1st millennium
1–1000
Years ago: 1,597
1597 years before 2026.

In other calendars

Hebrew: 4189 / 4190 AM
Rosh Hashanah falls in September/October.
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: 972 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 421 / 422 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 351 / 350 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 15
Digit product: 72
Digital root: 6
Palindrome: No
Bit width: 9 bits
Reversed: 924
Recamán's sequence: a(4,785) = 429
Square (n²): 184,041
Cube (n³): 78,953,589
Divisor count: 8
σ(n) — sum of divisors: 672
φ(n) — Euler's totient: 240
Sum of prime factors: 27

Primality

Prime factorization: 3 × 11 × 13

Nearest primes: 421 (−8) · 431 (+2)

Divisors & multiples

All divisors (8)

1 · 3 · 11 · 13 · 33 · 39 · 143 · 429

Aliquot sum (sum of proper divisors): 243

Factor pairs (a × b = 429)

1 × 429

3 × 143

11 × 39

13 × 33

First multiples

429 · 858 (double) · 1,287 · 1,716 · 2,145 · 2,574 · 3,003 · 3,432 · 3,861 · 4,290

Sums & aliquot sequence

As consecutive integers: 214 + 215 142 + 143 + 144 69 + 70 + 71 + 72 + 73 + 74 34 + 35 + … + 44

Aliquot sequence: 429 → 243 → 121 → 12 → 16 → 15 → 9 → 4 → 3 → 1 → 0 — terminates at zero

Representations

In words: four hundred twenty-nine
Ordinal: 429th
Roman numeral: CDXXIX
Binary: 110101101
Octal: 655
Hexadecimal: 0x1AD
Base64: Aa0=
One's complement: 65,106 (16-bit)

In other bases

ternary (3) 120220

quaternary (4) 12231

quinary (5) 3204

senary (6) 1553

septenary (7) 1152

nonary (9) 526

undecimal (11) 360

duodecimal (12) 2b9

tridecimal (13) 270

tetradecimal (14) 229

pentadecimal (15) 1d9

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): υκθʹ
Mayan (base 20): 𝋡·𝋡·𝋩
Chinese: 四百二十九
Chinese (financial): 肆佰貳拾玖

In other modern scripts

Eastern Arabic ٤٢٩ Devanagari ४२९ Bengali ৪২৯ Tamil ௪௨௯ Thai ๔๒๙ Tibetan ༤༢༩ Khmer ៤២៩ Lao ໔໒໙ Burmese ၄၂၉

Digit at this position in famous constants

π — Pi (π): Digit 429 = 1
e — Euler's number (e): Digit 429 = 1
φ — Golden ratio (φ): Digit 429 = 8
√2 — Pythagoras's (√2): Digit 429 = 2
ln 2 — Natural log of 2: Digit 429 = 9
γ — Euler-Mascheroni (γ): Digit 429 = 7

Also seen as

Unicode codepoint

Latin Small Letter T With Hook

U+01AD

Lowercase letter (Ll)

UTF-8 encoding: C6 AD (2 bytes).

Lookup U+01AD on Compart ↗ Lookup on FileFormat.Info ↗

HTTP status code

HTTP 429 Too Many Requests — Rate limited.

4xx class: Client Error.

Hex color

#0001AD

RGB(0, 1, 173)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.173.

Address: 0.0.1.173
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.1.173

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