1,766
1,766 is a composite number, even, a calendar year.
Notable events — 1766 AD
- Mar 18 Parliament repeals the Stamp Act but passes the Declaratory Act.
- Aug 11 Catherine the Great founds the Slovo i Delo secret police... (Note: skip; record uncertain)
- Aug 13 Henry Cavendish reports hydrogen as a distinct element.
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, 1766
- Ended on
-
Wednesday
December 31, 1766
- Friday the 13ths
-
1
One Friday the 13th this year.
- Easter Sunday
-
March 30
Sunday, March 30, 1766
- Decade
-
1760s
1760–1769
- Century
-
18th century
1701–1800
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
260
260 years before 2026.
In other calendars
- Hebrew
-
5526 / 5527 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1179 / 1180 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
-
2309 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1144 / 1145 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1758 / 1759 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1688 / 1687 Saka
Indian national calendar; year starts in March.
Properties
- Parity
- Even
- Digit count
- 4
- Digit sum
- 20
- Digit product
- 252
- Digital root
- 2
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 6,671
- Recamán's sequence
- a(16,167) = 1,766
- Square (n²)
- 3,118,756
- Cube (n³)
- 5,507,723,096
- Divisor count
- 4
- σ(n) — sum of divisors
- 2,652
- φ(n) — Euler's totient
- 882
- Sum of prime factors
- 885
Primality
Prime factorization: 2 × 883
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand seven hundred sixty-six
- Ordinal
- 1766th
- Roman numeral
- MDCCLXVI
- Binary
- 11011100110
- Octal
- 3346
- Hexadecimal
- 0x6E6
- Base64
- BuY=
- One's complement
- 63,769 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αψξϛʹ
- Mayan (base 20)
- 𝋤·𝋨·𝋦
- Chinese
- 一千七百六十六
- Chinese (financial)
- 壹仟柒佰陸拾陸
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,766 = 6
- e — Euler's number (e)
- Digit 1,766 = 1
- φ — Golden ratio (φ)
- Digit 1,766 = 0
- √2 — Pythagoras's (√2)
- Digit 1,766 = 1
- ln 2 — Natural log of 2
- Digit 1,766 = 5
- γ — Euler-Mascheroni (γ)
- Digit 1,766 = 4
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1766, here are decompositions:
- 7 + 1759 = 1766
- 13 + 1753 = 1766
- 19 + 1747 = 1766
- 43 + 1723 = 1766
- 67 + 1699 = 1766
- 73 + 1693 = 1766
- 97 + 1669 = 1766
- 103 + 1663 = 1766
Showing the first eight; more decompositions exist.
UTF-8 encoding: DB A6 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.6.230.
- Address
- 0.0.6.230
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.6.230
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 1766 first appears in π at position 10,574 of the decimal expansion (the 10,574ordinal-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.