973
973 is a composite number, odd, a calendar year.
973 (nine hundred seventy-three) is an odd 3-digit number. It is a composite number with 4 divisors, and factors as 7 × 139. Written other ways, in Roman numerals it is CMLXXIII and in binary, 1111001101.
Interestingness
Historical context — 973 AD
Calendar year
Year 973 (CMLXXIII) was a common year starting on Wednesday of the Julian calendar.
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Historical context — 973 BC
Decade
The 970s BC is a decade that lasted from 979 BC to 970 BC.
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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
-
Friday
January 1, 973
- Ended on
-
Friday
December 31, 973
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
970s
970–979
- Century
-
10th century
901–1000
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,053
1053 years before 2026.
In other calendars
- Hebrew
-
4733 / 4734 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
362 / 363 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Water zodiac:Rooster
Sexagenary cycle position 10 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1516 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
351 / 352 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
965 / 966 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
895 / 894 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 7 × 139
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√973 = [31; (5, 5, 2, 8, 2, 5, 5, 62)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred seventy-three
- Ordinal
- 973rd
- Roman numeral
- CMLXXIII
- Binary
- 1111001101
- Octal
- 1715
- Hexadecimal
- 0x3CD
- Base64
- A80=
- One's complement
- 64,562 (16-bit)
- Scientific notation
- 9.73 × 10²
- As a duration
- 973 s = 16 minutes, 13 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ϡογʹ
- Mayan (base 20)
- 𝋢·𝋨·𝋭
- Chinese
- 九百七十三
- Chinese (financial)
- 玖佰柒拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 973 = 3
- e — Euler's number (e)
- Digit 973 = 7
- φ — Golden ratio (φ)
- Digit 973 = 6
- √2 — Pythagoras's (√2)
- Digit 973 = 1
- ln 2 — Natural log of 2
- Digit 973 = 5
- γ — Euler-Mascheroni (γ)
- Digit 973 = 5
Also seen as
UTF-8 encoding: CF 8D (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.205.
- Address
- 0.0.3.205
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.3.205
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The number 973 is an active NANP area code (North American Numbering Plan).
- Primary area
- Newark / Paterson
- Region
- New Jersey
- Country
- United States
Most NANP area codes have multiple overlays in dense regions; the primary area listed is the historic/largest population center for this code.
Heard as a frequency, 973 Hz is closest to:
- Concert pitch (A4 = 440 Hz): B5 (987.8 Hz, -26¢)
- Scientific pitch (C4 = 256 Hz): B5 (966.5 Hz, +12¢)
- Baroque pitch (A4 = 415 Hz): C6 (987 Hz, -25¢)
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.