2,073
2,073 is a composite number, odd, a calendar year.
Historical context — 2073 AD
Current millennium spanning the years 2001 to 3000
The third millennium of the Anno Domini or Common Era is the current millennium spanning the years 2001 to 3000.
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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, 2073
- Ended on
-
Sunday
December 31, 2073
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
March 26
Sunday, March 26, 2073
- Decade
-
2070s
2070–2079
- Century
-
21st century
2001–2100
- Millennium
-
3rd millennium
2001–3000
- Years until
-
47
47 years after 2026.
In other calendars
- Hebrew
-
5833 / 5834 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1495 / 1497 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Water zodiac:Snake
Sexagenary cycle position 30 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2616 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1451 / 1452 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
2065 / 2066 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1995 / 1994 Saka
Indian national calendar; year starts in March.
- Japanese
-
Reiwa 55
Reign-era counting from the start of each emperor's reign.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 12 bits
- Reversed
- 3,702
- Recamán's sequence
- a(3,605) = 2,073
- Square (n²)
- 4,297,329
- Cube (n³)
- 8,908,363,017
- Divisor count
- 4
- σ(n) — sum of divisors
- 2,768
- φ(n) — Euler's totient
- 1,380
- Sum of prime factors
- 694
Primality
Prime factorization: 3 × 691
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- two thousand seventy-three
- Ordinal
- 2073rd
- Roman numeral
- MMLXXIII
- Binary
- 100000011001
- Octal
- 4031
- Hexadecimal
- 0x819
- Base64
- CBk=
- One's complement
- 63,462 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵βογʹ
- Mayan (base 20)
- 𝋥·𝋣·𝋭
- Chinese
- 二千零七十三
- Chinese (financial)
- 貳仟零柒拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 2,073 = 9
- e — Euler's number (e)
- Digit 2,073 = 4
- φ — Golden ratio (φ)
- Digit 2,073 = 3
- √2 — Pythagoras's (√2)
- Digit 2,073 = 0
- ln 2 — Natural log of 2
- Digit 2,073 = 8
- γ — Euler-Mascheroni (γ)
- Digit 2,073 = 3
Also seen as
UTF-8 encoding: E0 A0 99 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.8.25.
- Address
- 0.0.8.25
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.8.25
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 2073 first appears in π at position 9,260 of the decimal expansion (the 9,260ordinal-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.