Number

1,959

1,959 is a composite number, odd, a calendar year.

1,959 (one thousand nine hundred fifty-nine) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 3 × 653. Written other ways, in Roman numerals it is MCMLIX and in binary, 11110100111.

Arithmetic Number Cube-Free Deficient Number Evil Number Happy Number Recamán's Sequence Semiprime Squarefree Year

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

1,947 1,948 1,949 1,950 1,951 1,952 1,953 1,954 1,955 1,956 1,957 1,958 1,959 1,960 1,961 1,962 1,963 1,964 1,965 1,966 1,967 1,968 1,969 1,970 1,971

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Notable events — 1959 AD

Jan 1 Fidel Castro's revolution overthrows Cuban dictator Fulgencio Batista.
Jan 3 Alaska becomes the 49th US state.
Mar 10 Tibetans rise against Chinese rule; the Dalai Lama flees to India later that month.
Apr 25 The St. Lawrence Seaway opens, linking the Great Lakes to the Atlantic.
Aug 21 Hawaii becomes the 50th US state.

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: 53
Long year: contains 53 ISO weeks.
Started on: Thursday
January 1, 1959
Ended on: Thursday
December 31, 1959
Friday the 13ths: 3
3 Friday the 13ths this year.
Easter Sunday: March 29
Sunday, March 29, 1959
Decade: 1950s
1950–1959
Century: 20th century
1901–2000
Millennium: 2nd millennium
1001–2000
Years ago: 67
67 years before 2026.

In other calendars

Hebrew: 5719 / 5720 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 1378 / 1379 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Earth zodiac:Pig
Sexagenary cycle position 36 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 2502 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 1337 / 1338 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1951 / 1952 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1881 / 1880 Saka
Indian national calendar; year starts in March.
Japanese: Shōwa 34
Reign-era counting from the start of each emperor's reign.

Properties

Parity: Odd
Digit count: 4
Digit sum: 24
Digit product: 405
Digital root: 6
Palindrome: No
Bit width: 11 bits
Reversed: 9,591
Recamán's sequence: a(3,833) = 1,959
Square (n²): 3,837,681
Cube (n³): 7,518,017,079
Divisor count: 4
σ(n) — sum of divisors: 2,616
φ(n) — Euler's totient: 1,304
Sum of prime factors: 656

Primality

Prime factorization: 3 × 653

Nearest primes: 1,951 (−8) · 1,973 (+14)

Divisors & multiples

All divisors (4)

1 · 3 · 653 · 1959

Aliquot sum (sum of proper divisors): 657

Factor pairs (a × b = 1,959)

1 × 1959

3 × 653

First multiples

1,959 · 3,918 (double) · 5,877 · 7,836 · 9,795 · 11,754 · 13,713 · 15,672 · 17,631 · 19,590

Sums & aliquot sequence

As consecutive integers: 979 + 980 652 + 653 + 654 324 + 325 + 326 + 327 + 328 + 329

Aliquot sequence: 1,959 → 657 → 305 → 67 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,959 = [44; (3, 1, 5, 6, 1, 1, 1, 2, 1, 8, 7, 1, 13, 1, 7, 8, 1, 2, 1, 1, 1, 6, 5, 1, …)]

Period length 26 — the block in parentheses repeats forever.

Representations

In words: one thousand nine hundred fifty-nine
Ordinal: 1959th
Roman numeral: MCMLIX
Binary: 11110100111
Octal: 3647
Hexadecimal: 0x7A7
Base64: B6c=
One's complement: 63,576 (16-bit)
Scientific notation: 1.959 × 10³
As a duration: 1,959 s = 32 minutes, 39 seconds

In other bases

ternary (3) 2200120

quaternary (4) 132213

quinary (5) 30314

senary (6) 13023

septenary (7) 5466

nonary (9) 2616

undecimal (11) 1521

duodecimal (12) 1173

tridecimal (13) b79

tetradecimal (14) 9dd

pentadecimal (15) 8a9

Palindromic in base 16

As an angle

1,959° = 5 × 360° + 159°

159° ≈ 2.775 rad

Compass bearing: SSE (south-southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵αϡνθʹ
Mayan (base 20): 𝋤·𝋱·𝋳
Chinese: 一千九百五十九
Chinese (financial): 壹仟玖佰伍拾玖

In other modern scripts

Eastern Arabic ١٩٥٩ Devanagari १९५९ Bengali ১৯৫৯ Tamil ௧௯௫௯ Thai ๑๙๕๙ Tibetan ༡༩༥༩ Khmer ១៩៥៩ Lao ໑໙໕໙ Burmese ၁၉၅၉

Digit at this position in famous constants

π — Pi (π): Digit 1,959 = 5
e — Euler's number (e): Digit 1,959 = 0
φ — Golden ratio (φ): Digit 1,959 = 9
√2 — Pythagoras's (√2): Digit 1,959 = 5
ln 2 — Natural log of 2: Digit 1,959 = 0
γ — Euler-Mascheroni (γ): Digit 1,959 = 3

Also seen as

Unicode codepoint

Thaana Aabaafili

U+07A7

Non-spacing mark (Mn)

UTF-8 encoding: DE A7 (2 bytes).

Lookup U+07A7 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0007A7

RGB(0, 7, 167)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.167.

Address: 0.0.7.167
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.7.167

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

Musical pitch

Heard as a frequency, 1,959 Hz is closest to:

Concert pitch (A4 = 440 Hz): B6 (1975.5 Hz, -15¢)
Scientific pitch (C4 = 256 Hz): B6 (1933.1 Hz, +23¢)
Baroque pitch (A4 = 415 Hz): C7 (1974.1 Hz, -13¢)

Position in π

The digit sequence 1959 first appears in π at position 985 of the decimal expansion (the 985ordinal-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 1959 on Pi Search ↗