1,854
1,854 is a composite number, even, a calendar year.
1,854 (one thousand eight hundred fifty-four) is an even 4-digit number. It is a composite number with 12 divisors, and factors as 2 × 3² × 103. Its proper divisors sum to 2,202, more than the number itself, making it an abundant number. Written other ways, in Roman numerals it is MDCCCLIV and in binary, 11100111110.
Interestingness
Notable events — 1854 AD
- Mar 31 Commodore Perry signs the Convention of Kanagawa, opening Japan to US trade.
- May 30 The Kansas-Nebraska Act repeals the Missouri Compromise.
- Sep 20 The Battle of the Alma is fought during the Crimean War.
- Oct 25 The Charge of the Light Brigade takes place at Balaclava.
- Jul 6 The Republican Party is founded at Jackson, Michigan.
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, 1854
- Ended on
-
Sunday
December 31, 1854
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
April 16
Sunday, April 16, 1854
- Decade
-
1850s
1850–1859
- Century
-
19th century
1801–1900
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
172
172 years before 2026.
In other calendars
- Hebrew
-
5614 / 5615 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1270 / 1271 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Wood zodiac:Tiger
Sexagenary cycle position 51 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2397 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1232 / 1233 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1846 / 1847 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1776 / 1775 Saka
Indian national calendar; year starts in March.
Properties
- Parity
- Even
- Digit count
- 4
- Digit sum
- 18
- Digit product
- 160
- Digital root
- 9
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 4,581
- Recamán's sequence
- a(8,036) = 1,854
- Square (n²)
- 3,437,316
- Cube (n³)
- 6,372,783,864
- Divisor count
- 12
- σ(n) — sum of divisors
- 4,056
- φ(n) — Euler's totient
- 612
- Sum of prime factors
- 111
Primality
Prime factorization: 2 × 3 2 × 103
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,854 = [43; (17, 4, 1, 2, 1, 1, 1, 3, 1, 8, 1, 3, 1, 1, 1, 2, 1, 4, 17, 86)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one thousand eight hundred fifty-four
- Ordinal
- 1854th
- Roman numeral
- MDCCCLIV
- Binary
- 11100111110
- Octal
- 3476
- Hexadecimal
- 0x73E
- Base64
- Bz4=
- One's complement
- 63,681 (16-bit)
- Scientific notation
- 1.854 × 10³
- As a duration
- 1,854 s = 30 minutes, 54 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αωνδʹ
- Mayan (base 20)
- 𝋤·𝋬·𝋮
- Chinese
- 一千八百五十四
- Chinese (financial)
- 壹仟捌佰伍拾肆
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,854 = 9
- e — Euler's number (e)
- Digit 1,854 = 4
- φ — Golden ratio (φ)
- Digit 1,854 = 5
- √2 — Pythagoras's (√2)
- Digit 1,854 = 9
- ln 2 — Natural log of 2
- Digit 1,854 = 5
- γ — Euler-Mascheroni (γ)
- Digit 1,854 = 3
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1854, here are decompositions:
- 7 + 1847 = 1854
- 23 + 1831 = 1854
- 31 + 1823 = 1854
- 43 + 1811 = 1854
- 53 + 1801 = 1854
- 67 + 1787 = 1854
- 71 + 1783 = 1854
- 101 + 1753 = 1854
Showing the first eight; more decompositions exist.
UTF-8 encoding: DC BE (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.62.
- Address
- 0.0.7.62
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.62
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,854 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A♯6 (1864.7 Hz, -10¢)
- Scientific pitch (C4 = 256 Hz): A♯6 (1824.6 Hz, +28¢)
- Baroque pitch (A4 = 415 Hz): B6 (1863.3 Hz, -9¢)
The digit sequence 1854 first appears in π at position 446 of the decimal expansion (the 446ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.