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Number

1,879

1,879 is a prime, odd, a calendar year.

Arithmetic Number Deficient Number Emirp Evil Number Prime Recamán's Sequence Sexy Prime Squarefree Twin Prime Year

Notable events — 1879 AD

  1. Oct 21 Edison successfully tests a long-lasting incandescent light bulb.
  2. Jan 22 British forces are slaughtered at Isandlwana during the Anglo-Zulu War.
  3. Mar 14 Albert Einstein is born in Ulm, Württemberg.
  4. Apr 5 Chile declares war on Bolivia and Peru in the War of the Pacific.
  5. Dec 28 The Tay Bridge in Scotland collapses in a storm, killing 75 train passengers.

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
Wednesday
January 1, 1879
Ended on
Wednesday
December 31, 1879
Friday the 13ths
1
One Friday the 13th this year.
Easter Sunday
April 13
Sunday, April 13, 1879
Decade
1870s
1870–1879
Century
19th century
1801–1900
Millennium
2nd millennium
1001–2000
Years ago
147
147 years before 2026.

In other calendars

Hebrew
5639 / 5640 AM
Rosh Hashanah falls in September/October.
Islamic Hijri
1296 / 1297 AH
Lunar calendar; year spans differ from Gregorian.
Chinese
Year of the zodiac:Earth zodiac:Rabbit
Sexagenary cycle position 16 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
2422 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri
1257 / 1258 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian
1871 / 1872 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
1801 / 1800 Saka
Indian national calendar; year starts in March.
Japanese
Meiji 12
Reign-era counting from the start of each emperor's reign.

Properties

Parity
Odd
Digit count
4
Digit sum
25
Digit product
504
Digital root
7
Palindrome
No
Bit width
11 bits
Reversed
9,781
Recamán's sequence
a(7,986) = 1,879
Square (n²)
3,530,641
Cube (n³)
6,634,074,439
Divisor count
2
σ(n) — sum of divisors
1,880
φ(n) — Euler's totient
1,878

Primality

1,879 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1879
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,879)
1 × 1879
First multiples
1,879 · 3,758 (double) · 5,637 · 7,516 · 9,395 · 11,274 · 13,153 · 15,032 · 16,911 · 18,790

Sums & aliquot sequence

As consecutive integers: 939 + 940

Representations

In words
one thousand eight hundred seventy-nine
Ordinal
1879th
Roman numeral
MDCCCLXXIX
Binary
11101010111
Octal
3527
Hexadecimal
0x757
Base64
B1c=
One's complement
63,656 (16-bit)
In other bases
ternary (3) 2120121
quaternary (4) 131113
quinary (5) 30004
senary (6) 12411
septenary (7) 5323
nonary (9) 2517
undecimal (11) 1459
duodecimal (12) 1107
tridecimal (13) b17
tetradecimal (14) 983
pentadecimal (15) 854

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵αωοθʹ
Mayan (base 20)
𝋤·𝋭·𝋳
Chinese
一千八百七十九
Chinese (financial)
壹仟捌佰柒拾玖
In other modern scripts
Eastern Arabic ١٨٧٩ Devanagari १८७९ Bengali ১৮৭৯ Tamil ௧௮௭௯ Thai ๑๘๗๙ Tibetan ༡༨༧༩ Khmer ១៨៧៩ Lao ໑໘໗໙ Burmese ၁၈၇၉

Digit at this position in famous constants

π — Pi (π)
Digit 1,879 = 4
e — Euler's number (e)
Digit 1,879 = 8
φ — Golden ratio (φ)
Digit 1,879 = 8
√2 — Pythagoras's (√2)
Digit 1,879 = 6
ln 2 — Natural log of 2
Digit 1,879 = 7
γ — Euler-Mascheroni (γ)
Digit 1,879 = 9

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,877 (gap of 2)
  • Next prime: 1,889 (gap of 10)

Pair status: twin with 1877.

Unicode codepoint
ݗ
Arabic Letter Hah With Two Dots Above
U+0757
Other letter (Lo)

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

Hex color
#000757
RGB(0, 7, 87)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.87.

Address
0.0.7.87
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.7.87

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

Position in π

The digit sequence 1879 first appears in π at position 6,150 of the decimal expansion (the 6,150ordinal-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.