1,043
1,043 is a composite number, odd, a calendar year.
Historical context — 1043 AD
Calendar year
Year 1043 (MXLIII) was a common year starting on Saturday of the Julian calendar.
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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, 1043
- Ended on
-
Sunday
December 31, 1043
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1040s
1040–1049
- Century
-
11th century
1001–1100
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
983
983 years before 2026.
In other calendars
- Hebrew
-
4803 / 4804 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
434 / 435 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Water zodiac:Goat
Sexagenary cycle position 20 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1586 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
421 / 422 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1035 / 1036 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
965 / 964 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 7 × 149
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand forty-three
- Ordinal
- 1043rd
- Roman numeral
- MXLIII
- Binary
- 10000010011
- Octal
- 2023
- Hexadecimal
- 0x413
- Base64
- BBM=
- One's complement
- 64,492 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵αμγʹ
- Mayan (base 20)
- 𝋢·𝋬·𝋣
- Chinese
- 一千零四十三
- Chinese (financial)
- 壹仟零肆拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,043 = 2
- e — Euler's number (e)
- Digit 1,043 = 1
- φ — Golden ratio (φ)
- Digit 1,043 = 0
- √2 — Pythagoras's (√2)
- Digit 1,043 = 3
- ln 2 — Natural log of 2
- Digit 1,043 = 6
- γ — Euler-Mascheroni (γ)
- Digit 1,043 = 9
Also seen as
UTF-8 encoding: D0 93 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.19.
- Address
- 0.0.4.19
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.4.19
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1043 first appears in π at position 17,768 of the decimal expansion (the 17,768ordinal-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.