Number

463

463 is a prime, odd, a calendar year.

Arithmetic Number Cousin Prime Deficient Number Odious Number Pernicious Number Prime Recamán's Sequence Sexy Prime Squarefree Twin Prime Year

Historical context — 463 AD

Calendar year

Year 463 (CDLXIII) was a common year starting on Tuesday of the Julian calendar.

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Historical context — 463 BC

Calendar year

Year 463 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: 52
Started on: Monday
January 1, 463
Ended on: Monday
December 31, 463
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 460s
460–469
Century: 5th century
401–500
Millennium: 1st millennium
1–1000
Years ago: 1,563
1563 years before 2026.

In other calendars

Hebrew: 4223 / 4224 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Water zodiac:Rabbit
Sexagenary cycle position 40 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1006 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 455 / 456 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 385 / 384 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 13
Digit product: 72
Digital root: 4
Palindrome: No
Bit width: 9 bits
Reversed: 364
Recamán's sequence: a(442) = 463
Square (n²): 214,369
Cube (n³): 99,252,847
Divisor count: 2
σ(n) — sum of divisors: 464
φ(n) — Euler's totient: 462

Primality

463 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 463

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 463)

1 × 463

First multiples

463 · 926 (double) · 1,389 · 1,852 · 2,315 · 2,778 · 3,241 · 3,704 · 4,167 · 4,630

Sums & aliquot sequence

As consecutive integers: 231 + 232

Representations

In words: four hundred sixty-three
Ordinal: 463rd
Roman numeral: CDLXIII
Binary: 111001111
Octal: 717
Hexadecimal: 0x1CF
Base64: Ac8=
One's complement: 65,072 (16-bit)

In other bases

ternary (3) 122011

quaternary (4) 13033

quinary (5) 3323

senary (6) 2051

septenary (7) 1231

nonary (9) 564

undecimal (11) 391

duodecimal (12) 327

tridecimal (13) 298

tetradecimal (14) 251

pentadecimal (15) 20d

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): υξγʹ
Mayan (base 20): 𝋡·𝋣·𝋣
Chinese: 四百六十三
Chinese (financial): 肆佰陸拾參

In other modern scripts

Eastern Arabic ٤٦٣ Devanagari ४६३ Bengali ৪৬৩ Tamil ௪௬௩ Thai ๔๖๓ Tibetan ༤༦༣ Khmer ៤៦៣ Lao ໔໖໓ Burmese ၄၆၃

Digit at this position in famous constants

π — Pi (π): Digit 463 = 2
e — Euler's number (e): Digit 463 = 9
φ — Golden ratio (φ): Digit 463 = 7
√2 — Pythagoras's (√2): Digit 463 = 0
ln 2 — Natural log of 2: Digit 463 = 4
γ — Euler-Mascheroni (γ): Digit 463 = 7

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 461 (gap of 2)
Next prime: 467 (gap of 4)

Pair status: twin with 461, cousin with 467.

Unicode codepoint

Latin Capital Letter I With Caron

U+01CF

Uppercase letter (Lu)

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

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

Hex color

#0001CF

RGB(0, 1, 207)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.207.

Address: 0.0.1.207
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.1.207

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

NANP area code 463

The number 463 is an active NANP area code (North American Numbering Plan).

Primary area: Indianapolis
Region: Indiana
Country: United States

Most NANP area codes have multiple overlays in dense regions; the primary area listed is the historic/largest population center for this code.

Look up area code 463 ↗