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Number

885

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

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

Historical context — 885 AD

Calendar year

Year 885 (DCCCLXXXV) was a common year starting on Friday of the Julian calendar.

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Historical context — 885 BC

Decade

This article concerns the period 889 BC – 880 BC.

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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: Monday
January 1, 885
Ended on: Monday
December 31, 885
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 880s
880–889
Century: 9th century
801–900
Millennium: 1st millennium
1–1000
Years ago: 1,141
1141 years before 2026.

In other calendars

Hebrew: 4645 / 4646 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 271 / 272 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Wood zodiac:Snake
Sexagenary cycle position 42 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1428 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 263 / 264 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 877 / 878 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 807 / 806 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 21
Digit product: 320
Digital root: 3
Palindrome: No
Bit width: 10 bits
Reversed: 588
Recamán's sequence: a(729) = 885
Square (n²): 783,225
Cube (n³): 693,154,125
Divisor count: 8
σ(n) — sum of divisors: 1,440
φ(n) — Euler's totient: 464
Sum of prime factors: 67

Primality

Prime factorization: 3 × 5 × 59

Nearest primes: 883 (−2) · 887 (+2)

Divisors & multiples

All divisors (8)

1 · 3 · 5 · 15 · 59 · 177 · 295 · 885

Aliquot sum (sum of proper divisors): 555

Factor pairs (a × b = 885)

1 × 885

3 × 295

5 × 177

15 × 59

First multiples

885 · 1,770 (double) · 2,655 · 3,540 · 4,425 · 5,310 · 6,195 · 7,080 · 7,965 · 8,850

Sums & aliquot sequence

As consecutive integers: 442 + 443 294 + 295 + 296 175 + 176 + 177 + 178 + 179 145 + 146 + 147 + 148 + 149 + 150

Aliquot sequence: 885 → 555 → 357 → 219 → 77 → 19 → 1 → 0 — terminates at zero

Representations

In words: eight hundred eighty-five
Ordinal: 885th
Roman numeral: DCCCLXXXV
Binary: 1101110101
Octal: 1565
Hexadecimal: 0x375
Base64: A3U=
One's complement: 64,650 (16-bit)

In other bases

ternary (3) 1012210

quaternary (4) 31311

quinary (5) 12020

senary (6) 4033

septenary (7) 2403

nonary (9) 1183

undecimal (11) 735

duodecimal (12) 619

tridecimal (13) 531

tetradecimal (14) 473

pentadecimal (15) 3e0

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ωπεʹ
Mayan (base 20): 𝋢·𝋤·𝋥
Chinese: 八百八十五
Chinese (financial): 捌佰捌拾伍

In other modern scripts

Eastern Arabic ٨٨٥ Devanagari ८८५ Bengali ৮৮৫ Tamil ௮௮௫ Thai ๘๘๕ Tibetan ༨༨༥ Khmer ៨៨៥ Lao ໘໘໕ Burmese ၈၈၅

Digit at this position in famous constants

π — Pi (π): Digit 885 = 2
e — Euler's number (e): Digit 885 = 9
φ — Golden ratio (φ): Digit 885 = 6
√2 — Pythagoras's (√2): Digit 885 = 0
ln 2 — Natural log of 2: Digit 885 = 8
γ — Euler-Mascheroni (γ): Digit 885 = 6

Also seen as

Unicode codepoint

͵

Greek Lower Numeral Sign

U+0375

Modifier symbol (Sk)

UTF-8 encoding: CD B5 (2 bytes).

Lookup U+0375 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000375

RGB(0, 3, 117)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.117.

Address: 0.0.3.117
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.3.117

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