Number

969

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

Arithmetic Number Deficient Number Evil Number Flippable Nonagonal Palindrome Recamán's Sequence Sphenic Number Squarefree Tetrahedral Year

Historical context — 969 AD

Calendar year

Year 969 (CMLXIX) was a common year starting on Friday of the Julian calendar, the 969th year of the Common Era (CE) and Anno Domini (AD) designations, the 969th year of the 1st millennium, the 69th year of the 10th century, and the 10th and last year of the 960s decade.

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Historical context — 969 BC

Decade

The 960s BC is a decade that lasted from 969 BC to 960 BC.

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: Sunday
January 1, 969
Ended on: Sunday
December 31, 969
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 960s
960–969
Century: 10th century
901–1000
Millennium: 1st millennium
1–1000
Years ago: 1,057
1057 years before 2026.

In other calendars

Hebrew: 4729 / 4730 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 358 / 359 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: 1512 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 347 / 348 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 961 / 962 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 891 / 890 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 24
Digit product: 486
Digital root: 6
Palindrome: Yes
Bit width: 10 bits
Flips to (rotate 180°): 696
Recamán's sequence: a(4,481) = 969
Square (n²): 938,961
Cube (n³): 909,853,209
Divisor count: 8
σ(n) — sum of divisors: 1,440
φ(n) — Euler's totient: 576
Sum of prime factors: 39

Primality

Prime factorization: 3 × 17 × 19

Nearest primes: 967 (−2) · 971 (+2)

Divisors & multiples

All divisors (8)

1 · 3 · 17 · 19 · 51 · 57 · 323 · 969

Aliquot sum (sum of proper divisors): 471

Factor pairs (a × b = 969)

1 × 969

3 × 323

17 × 57

19 × 51

First multiples

969 · 1,938 (double) · 2,907 · 3,876 · 4,845 · 5,814 · 6,783 · 7,752 · 8,721 · 9,690

Sums & aliquot sequence

As consecutive integers: 484 + 485 322 + 323 + 324 159 + 160 + 161 + 162 + 163 + 164 49 + 50 + … + 65

Aliquot sequence: 969 → 471 → 161 → 31 → 1 → 0 — terminates at zero

Representations

In words: nine hundred sixty-nine
Ordinal: 969th
Roman numeral: CMLXIX
Binary: 1111001001
Octal: 1711
Hexadecimal: 0x3C9
Base64: A8k=
One's complement: 64,566 (16-bit)

In other bases

ternary (3) 1022220

quaternary (4) 33021

quinary (5) 12334

senary (6) 4253

septenary (7) 2553

nonary (9) 1286

undecimal (11) 801

duodecimal (12) 689

tridecimal (13) 597

tetradecimal (14) 4d3

pentadecimal (15) 449

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ϡξθʹ
Mayan (base 20): 𝋢·𝋨·𝋩
Chinese: 九百六十九
Chinese (financial): 玖佰陸拾玖

In other modern scripts

Eastern Arabic ٩٦٩ Devanagari ९६९ Bengali ৯৬৯ Tamil ௯௬௯ Thai ๙๖๙ Tibetan ༩༦༩ Khmer ៩៦៩ Lao ໙໖໙ Burmese ၉၆၉

Digit at this position in famous constants

π — Pi (π): Digit 969 = 0
e — Euler's number (e): Digit 969 = 1
φ — Golden ratio (φ): Digit 969 = 9
√2 — Pythagoras's (√2): Digit 969 = 8
ln 2 — Natural log of 2: Digit 969 = 1
γ — Euler-Mascheroni (γ): Digit 969 = 2

Also seen as

Unicode codepoint

Greek Small Letter Omega

U+03C9

Lowercase letter (Ll)

UTF-8 encoding: CF 89 (2 bytes).

Lookup U+03C9 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0003C9

RGB(0, 3, 201)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.201.

Address: 0.0.3.201
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.3.201

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