323
323 is a composite number, odd, a calendar year.
323 (three hundred twenty-three) is an odd 3-digit number. It is a composite number with 4 divisors, and factors as 17 × 19. Its digits read the same forwards and backwards, so it is a palindromic number. Written other ways, in Roman numerals it is CCCXXIII and in binary, 101000011.
Interestingness
Historical context — 323 AD
Calendar year
Year 323 (CCCXXIII) was a common year starting on Tuesday of the Julian calendar.
Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 Read the full article on Wikipedia →
Notable events — 323 BC
- Jun 10 Alexander the Great dies at Babylon, age 32; his empire fractures.
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
-
Monday
January 1, 323
- Ended on
-
Monday
December 31, 323
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
320s
320–329
- Century
-
4th century
301–400
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,703
1703 years before 2026.
In other calendars
- Hebrew
-
4083 / 4084 AM
Rosh Hashanah falls in September/October.
- 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
-
866 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Ethiopian
-
315 / 316 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
245 / 244 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 17 × 19
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√323 = [17; (1, 34)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- three hundred twenty-three
- Ordinal
- 323rd
- Roman numeral
- CCCXXIII
- Binary
- 101000011
- Octal
- 503
- Hexadecimal
- 0x143
- Base64
- AUM=
- One's complement
- 65,212 (16-bit)
- Scientific notation
- 3.23 × 10²
- As a duration
- 323 s = 5 minutes, 23 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- τκγʹ
- Mayan (base 20)
- 𝋰·𝋣
- Chinese
- 三百二十三
- Chinese (financial)
- 參佰貳拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 323 = 8
- e — Euler's number (e)
- Digit 323 = 3
- φ — Golden ratio (φ)
- Digit 323 = 9
- √2 — Pythagoras's (√2)
- Digit 323 = 6
- ln 2 — Natural log of 2
- Digit 323 = 6
- γ — Euler-Mascheroni (γ)
- Digit 323 = 0
Also seen as
UTF-8 encoding: C5 83 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.67.
- Address
- 0.0.1.67
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.1.67
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The number 323 is an active NANP area code (North American Numbering Plan).
- Primary area
- East Los Angeles
- Region
- California
- 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, 323 Hz is closest to:
- Concert pitch (A4 = 440 Hz): E4 (329.6 Hz, -35¢)
- Scientific pitch (C4 = 256 Hz): E4 (322.5 Hz, +2¢)
- Baroque pitch (A4 = 415 Hz): F4 (329.4 Hz, -34¢)
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.