Number

471

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

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

Historical context — 471 AD

Calendar year

Year 471 (CDLXXI) was a common year starting on Friday of the Julian calendar.

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Historical context — 471 BC

Calendar year

Year 471 BC was a year of the pre-Julian Roman calendar.

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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: 53
Long year: contains 53 ISO weeks.
Started on: Thursday
January 1, 471
Ended on: Thursday
December 31, 471
Friday the 13ths: 3
3 Friday the 13ths this year.
Decade: 470s
470–479
Century: 5th century
401–500
Millennium: 1st millennium
1–1000
Years ago: 1,555
1555 years before 2026.

In other calendars

Hebrew: 4231 / 4232 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Metal zodiac:Pig
Sexagenary cycle position 48 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1014 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 463 / 464 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 393 / 392 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 12
Digit product: 28
Digital root: 3
Palindrome: No
Bit width: 9 bits
Reversed: 174
Recamán's sequence: a(426) = 471
Square (n²): 221,841
Cube (n³): 104,487,111
Divisor count: 4
σ(n) — sum of divisors: 632
φ(n) — Euler's totient: 312
Sum of prime factors: 160

Primality

Prime factorization: 3 × 157

Nearest primes: 467 (−4) · 479 (+8)

Divisors & multiples

All divisors (4)

1 · 3 · 157 · 471

Aliquot sum (sum of proper divisors): 161

Factor pairs (a × b = 471)

1 × 471

3 × 157

First multiples

471 · 942 (double) · 1,413 · 1,884 · 2,355 · 2,826 · 3,297 · 3,768 · 4,239 · 4,710

Sums & aliquot sequence

As consecutive integers: 235 + 236 156 + 157 + 158 76 + 77 + 78 + 79 + 80 + 81

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

Representations

In words: four hundred seventy-one
Ordinal: 471st
Roman numeral: CDLXXI
Binary: 111010111
Octal: 727
Hexadecimal: 0x1D7
Base64: Adc=
One's complement: 65,064 (16-bit)

In other bases

ternary (3) 122110

quaternary (4) 13113

quinary (5) 3341

senary (6) 2103

septenary (7) 1242

nonary (9) 573

undecimal (11) 399

duodecimal (12) 333

tridecimal (13) 2a3

tetradecimal (14) 259

pentadecimal (15) 216

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): υοαʹ
Mayan (base 20): 𝋡·𝋣·𝋫
Chinese: 四百七十一
Chinese (financial): 肆佰柒拾壹

In other modern scripts

Eastern Arabic ٤٧١ Devanagari ४७१ Bengali ৪৭১ Tamil ௪௭௧ Thai ๔๗๑ Tibetan ༤༧༡ Khmer ៤៧១ Lao ໔໗໑ Burmese ၄၇၁

Digit at this position in famous constants

π — Pi (π): Digit 471 = 5
e — Euler's number (e): Digit 471 = 6
φ — Golden ratio (φ): Digit 471 = 9
√2 — Pythagoras's (√2): Digit 471 = 1
ln 2 — Natural log of 2: Digit 471 = 0
γ — Euler-Mascheroni (γ): Digit 471 = 4

Also seen as

Unicode codepoint

Latin Capital Letter U With Diaeresis And Acute

U+01D7

Uppercase letter (Lu)

UTF-8 encoding: C7 97 (2 bytes).

Lookup U+01D7 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0001D7

RGB(0, 1, 215)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.215.

Address: 0.0.1.215
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.1.215

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