1,826
1,826 is a composite number, even, a calendar year.
1,826 (one thousand eight hundred twenty-six) is an even 4-digit number. It is a composite number with 8 divisors, and factors as 2 × 11 × 83. Written other ways, in Roman numerals it is MDCCCXXVI and in binary, 11100100010.
Interestingness
Notable events — 1826 AD
- Jul 4 John Adams and Thomas Jefferson die hours apart on the 50th anniversary of the Declaration of Independence.
- Aug 14 Nicéphore Niépce produces View from the Window at Le Gras, the earliest surviving photograph (often dated 1826/27).
- Sep 26 Russia goes to war with Persia, beginning the Russo-Persian War.
- May 1 The English explorer Hugh Clapperton dies in Sokoto.
- Aug 7 Major League Baseball... (not yet — record skip)
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
-
Sunday
January 1, 1826
- Ended on
-
Sunday
December 31, 1826
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
March 26
Sunday, March 26, 1826
- Decade
-
1820s
1820–1829
- Century
-
19th century
1801–1900
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
200
200 years before 2026.
In other calendars
- Hebrew
-
5586 / 5587 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1241 / 1242 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Fire zodiac:Dog
Sexagenary cycle position 23 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2369 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1204 / 1205 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1818 / 1819 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1748 / 1747 Saka
Indian national calendar; year starts in March.
Properties
- Parity
- Even
- Digit count
- 4
- Digit sum
- 17
- Digit product
- 96
- Digital root
- 8
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 6,281
- Recamán's sequence
- a(8,092) = 1,826
- Square (n²)
- 3,334,276
- Cube (n³)
- 6,088,387,976
- Divisor count
- 8
- σ(n) — sum of divisors
- 3,024
- φ(n) — Euler's totient
- 820
- Sum of prime factors
- 96
Primality
Prime factorization: 2 × 11 × 83
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,826 = [42; (1, 2, 1, 2, 1, 2, 42, 2, 1, 2, 1, 2, 1, 84)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- one thousand eight hundred twenty-six
- Ordinal
- 1826th
- Roman numeral
- MDCCCXXVI
- Binary
- 11100100010
- Octal
- 3442
- Hexadecimal
- 0x722
- Base64
- ByI=
- One's complement
- 63,709 (16-bit)
- Scientific notation
- 1.826 × 10³
- As a duration
- 1,826 s = 30 minutes, 26 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αωκϛʹ
- Mayan (base 20)
- 𝋤·𝋫·𝋦
- Chinese
- 一千八百二十六
- Chinese (financial)
- 壹仟捌佰貳拾陸
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,826 = 7
- e — Euler's number (e)
- Digit 1,826 = 6
- φ — Golden ratio (φ)
- Digit 1,826 = 5
- √2 — Pythagoras's (√2)
- Digit 1,826 = 5
- ln 2 — Natural log of 2
- Digit 1,826 = 1
- γ — Euler-Mascheroni (γ)
- Digit 1,826 = 9
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1826, here are decompositions:
- 3 + 1823 = 1826
- 37 + 1789 = 1826
- 43 + 1783 = 1826
- 67 + 1759 = 1826
- 73 + 1753 = 1826
- 79 + 1747 = 1826
- 103 + 1723 = 1826
- 127 + 1699 = 1826
Showing the first eight; more decompositions exist.
UTF-8 encoding: DC A2 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.34.
- Address
- 0.0.7.34
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.34
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,826 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A♯6 (1864.7 Hz, -36¢)
- Scientific pitch (C4 = 256 Hz): A♯6 (1824.6 Hz, +1¢)
- Baroque pitch (A4 = 415 Hz): B6 (1863.3 Hz, -35¢)
The digit sequence 1826 first appears in π at position 3,339 of the decimal expansion (the 3,339ordinal-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.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.