301
301 is a composite number, odd, a calendar year.
301 (three hundred one) is an odd 3-digit number. It is a composite number with 4 divisors, and factors as 7 × 43. Written other ways, in Roman numerals it is CCCI and in binary, 100101101.
Interestingness
Historical context — 301 AD
Calendar year
Year 301 (CCCI) was a common year starting on Wednesday of the Julian calendar.
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Historical context — 301 BC
Calendar year
Year 301 BC was a year of the pre-Julian Roman 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
-
Tuesday
January 1, 301
- Ended on
-
Tuesday
December 31, 301
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
300s
300–309
- Century
-
4th century
301–400
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,725
1725 years before 2026.
In other calendars
- Hebrew
-
4061 / 4062 AM
Rosh Hashanah falls in September/October.
- Chinese
-
Year of the zodiac:Metal zodiac:Rooster
Sexagenary cycle position 58 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
844 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Ethiopian
-
293 / 294 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
223 / 222 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 7 × 43
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√301 = [17; (2, 1, 6, 3, 1, 2, 2, 1, 1, 8, 11, 2, 4, 2, 11, 8, 1, 1, 2, 2, 1, 3, 6, 1, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- three hundred one
- Ordinal
- 301st
- Roman numeral
- CCCI
- Binary
- 100101101
- Octal
- 455
- Hexadecimal
- 0x12D
- Base64
- AS0=
- One's complement
- 65,234 (16-bit)
- Scientific notation
- 3.01 × 10²
- As a duration
- 301 s = 5 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓍢𓍢𓍢𓏺
- Greek (Milesian)
- ταʹ
- Mayan (base 20)
- 𝋯·𝋡
- Chinese
- 三百零一
- Chinese (financial)
- 參佰零壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 301 = 3
- e — Euler's number (e)
- Digit 301 = 9
- φ — Golden ratio (φ)
- Digit 301 = 4
- √2 — Pythagoras's (√2)
- Digit 301 = 9
- ln 2 — Natural log of 2
- Digit 301 = 0
- γ — Euler-Mascheroni (γ)
- Digit 301 = 9
Also seen as
UTF-8 encoding: C4 AD (2 bytes).
HTTP 301 Moved Permanently — Resource has a new permanent URL.
3xx class: Redirection.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.45.
- Address
- 0.0.1.45
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.1.45
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The number 301 is an active NANP area code (North American Numbering Plan).
- Primary area
- Western Maryland
- Region
- Maryland
- 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, 301 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D4 (293.7 Hz, +43¢)
- Scientific pitch (C4 = 256 Hz): D♯4 (304.4 Hz, -20¢)
- Baroque pitch (A4 = 415 Hz): D♯4 (293.4 Hz, +44¢)
On an ingredients label, E301 is Sodium ascorbate, an antioxidant or acidity regulator.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.