Number

1,469

1,469 is a composite number, odd, a calendar year.

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

Notable events — 1469 AD

Oct 19 Isabella of Castile marries Ferdinand of Aragon, laying the foundation for a united Spain.

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: 52
Started on: Friday
January 1, 1469
Ended on: Friday
December 31, 1469
Friday the 13ths: 1
One Friday the 13th this year.
Decade: 1460s
1460–1469
Century: 15th century
1401–1500
Millennium: 2nd millennium
1001–2000
Years ago: 557
557 years before 2026.

In other calendars

Hebrew: 5229 / 5230 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 873 / 874 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Earth zodiac:Ox
Sexagenary cycle position 26 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 2012 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 847 / 848 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1461 / 1462 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1391 / 1390 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 4
Digit sum: 20
Digit product: 216
Digital root: 2
Palindrome: No
Bit width: 11 bits
Reversed: 9,641
Recamán's sequence: a(1,622) = 1,469
Square (n²): 2,157,961
Cube (n³): 3,170,044,709
Divisor count: 4
σ(n) — sum of divisors: 1,596
φ(n) — Euler's totient: 1,344
Sum of prime factors: 126

Primality

Prime factorization: 13 × 113

Nearest primes: 1,459 (−10) · 1,471 (+2)

Divisors & multiples

All divisors (4)

1 · 13 · 113 · 1469

Aliquot sum (sum of proper divisors): 127

Factor pairs (a × b = 1,469)

1 × 1469

13 × 113

First multiples

1,469 · 2,938 (double) · 4,407 · 5,876 · 7,345 · 8,814 · 10,283 · 11,752 · 13,221 · 14,690

Sums & aliquot sequence

As a sum of two squares: 5² + 38² = 10² + 37²

As consecutive integers: 734 + 735 107 + 108 + … + 119 44 + 45 + … + 69

Aliquot sequence: 1,469 → 127 → 1 → 0 — terminates at zero

Representations

In words: one thousand four hundred sixty-nine
Ordinal: 1469th
Roman numeral: MCDLXIX
Binary: 10110111101
Octal: 2675
Hexadecimal: 0x5BD
Base64: Bb0=
One's complement: 64,066 (16-bit)

In other bases

ternary (3) 2000102

quaternary (4) 112331

quinary (5) 21334

senary (6) 10445

septenary (7) 4166

nonary (9) 2012

undecimal (11) 1116

duodecimal (12) a25

tridecimal (13) 890

tetradecimal (14) 76d

pentadecimal (15) 67e

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵αυξθʹ
Mayan (base 20): 𝋣·𝋭·𝋩
Chinese: 一千四百六十九
Chinese (financial): 壹仟肆佰陸拾玖

In other modern scripts

Eastern Arabic ١٤٦٩ Devanagari १४६९ Bengali ১৪৬৯ Tamil ௧௪௬௯ Thai ๑๔๖๙ Tibetan ༡༤༦༩ Khmer ១៤៦៩ Lao ໑໔໖໙ Burmese ၁၄၆၉

Digit at this position in famous constants

π — Pi (π): Digit 1,469 = 5
e — Euler's number (e): Digit 1,469 = 5
φ — Golden ratio (φ): Digit 1,469 = 1
√2 — Pythagoras's (√2): Digit 1,469 = 0
ln 2 — Natural log of 2: Digit 1,469 = 9
γ — Euler-Mascheroni (γ): Digit 1,469 = 6

Also seen as

Unicode codepoint

Hebrew Point Meteg

U+05BD

Non-spacing mark (Mn)

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

Lookup U+05BD on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0005BD

RGB(0, 5, 189)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.189.

Address: 0.0.5.189
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.5.189

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

Position in π

The digit sequence 1469 first appears in π at position 385 of the decimal expansion (the 385ordinal-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 1469 on Pi Search ↗