Number

1,963

1,963 is a composite number, odd, a calendar year.

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

Notable events — 1963 AD

Jun 16 Soviet cosmonaut Valentina Tereshkova becomes the first woman in space.
Aug 5 The US, USSR, and UK sign the Partial Nuclear Test Ban Treaty.
Aug 28 Martin Luther King Jr. delivers his “I Have a Dream” speech at the March on Washington.
Nov 22 President John F. Kennedy is assassinated in Dallas.
Nov 24 Lee Harvey Oswald is shot dead by Jack Ruby on live television.

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: Tuesday
January 1, 1963
Ended on: Tuesday
December 31, 1963
Friday the 13ths: 2
2 Friday the 13ths this year.
Easter Sunday: April 14
Sunday, April 14, 1963
Decade: 1960s
1960–1969
Century: 20th century
1901–2000
Millennium: 2nd millennium
1001–2000
Years ago: 63
63 years before 2026.

In other calendars

Hebrew: 5723 / 5724 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 1382 / 1383 AH
Lunar calendar; year spans differ from Gregorian.
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: 2506 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 1341 / 1342 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1955 / 1956 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1885 / 1884 Saka
Indian national calendar; year starts in March.
Japanese: Shōwa 38
Reign-era counting from the start of each emperor's reign.

Properties

Parity: Odd
Digit count: 4
Digit sum: 19
Digit product: 162
Digital root: 1
Palindrome: No
Bit width: 11 bits
Reversed: 3,691
Recamán's sequence: a(3,825) = 1,963
Square (n²): 3,853,369
Cube (n³): 7,564,163,347
Divisor count: 4
σ(n) — sum of divisors: 2,128
φ(n) — Euler's totient: 1,800
Sum of prime factors: 164

Primality

Prime factorization: 13 × 151

Nearest primes: 1,951 (−12) · 1,973 (+10)

Divisors & multiples

All divisors (4)

1 · 13 · 151 · 1963

Aliquot sum (sum of proper divisors): 165

Factor pairs (a × b = 1,963)

1 × 1963

13 × 151

First multiples

1,963 · 3,926 (double) · 5,889 · 7,852 · 9,815 · 11,778 · 13,741 · 15,704 · 17,667 · 19,630

Sums & aliquot sequence

As consecutive integers: 981 + 982 145 + 146 + … + 157 63 + 64 + … + 88

Aliquot sequence: 1,963 → 165 → 123 → 45 → 33 → 15 → 9 → 4 → 3 → 1 → 0 — terminates at zero

Representations

In words: one thousand nine hundred sixty-three
Ordinal: 1963rd
Roman numeral: MCMLXIII
Binary: 11110101011
Octal: 3653
Hexadecimal: 0x7AB
Base64: B6s=
One's complement: 63,572 (16-bit)

In other bases

ternary (3) 2200201

quaternary (4) 132223

quinary (5) 30323

senary (6) 13031

septenary (7) 5503

nonary (9) 2621

undecimal (11) 1525

duodecimal (12) 1177

tridecimal (13) b80

tetradecimal (14) a03

pentadecimal (15) 8ad

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): ͵αϡξγʹ
Mayan (base 20): 𝋤·𝋲·𝋣
Chinese: 一千九百六十三
Chinese (financial): 壹仟玖佰陸拾參

In other modern scripts

Eastern Arabic ١٩٦٣ Devanagari १९६३ Bengali ১৯৬৩ Tamil ௧௯௬௩ Thai ๑๙๖๓ Tibetan ༡༩༦༣ Khmer ១៩៦៣ Lao ໑໙໖໓ Burmese ၁၉၆၃

Digit at this position in famous constants

π — Pi (π): Digit 1,963 = 3
e — Euler's number (e): Digit 1,963 = 5
φ — Golden ratio (φ): Digit 1,963 = 8
√2 — Pythagoras's (√2): Digit 1,963 = 3
ln 2 — Natural log of 2: Digit 1,963 = 9
γ — Euler-Mascheroni (γ): Digit 1,963 = 6

Also seen as

Unicode codepoint

Thaana Ooboofili

U+07AB

Non-spacing mark (Mn)

UTF-8 encoding: DE AB (2 bytes).

Lookup U+07AB on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0007AB

RGB(0, 7, 171)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.171.

Address: 0.0.7.171
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.7.171

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

Position in π

The digit sequence 1963 first appears in π at position 4,805 of the decimal expansion (the 4,805ordinal-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 1963 on Pi Search ↗