194
194 is a composite number, even, a calendar year.
194 (one hundred ninety-four) is an even 3-digit number. It is a composite number with 4 divisors, and factors as 2 × 97. Written other ways, in Roman numerals it is CXCIV and in binary, 11000010.
Interestingness
Historical context — 194 AD
Calendar year
Year 194 (CXCIV) was a common year starting on Tuesday of the Julian calendar.
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Historical context — 194 BC
Calendar year
Year 194 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
-
Wednesday
January 1, 194
- Ended on
-
Wednesday
December 31, 194
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
190s
190–199
- Century
-
2nd century
101–200
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,832
1832 years before 2026.
In other calendars
- Hebrew
-
3954 / 3955 AM
Rosh Hashanah falls in September/October.
- Chinese
-
Year of the zodiac:Wood zodiac:Dog
Sexagenary cycle position 11 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
737 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Ethiopian
-
186 / 187 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
116 / 115 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 2 × 97
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√194 = [13; (1, 12, 1, 26)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred ninety-four
- Ordinal
- 194th
- Roman numeral
- CXCIV
- Binary
- 11000010
- Octal
- 302
- Hexadecimal
- 0xC2
- Base64
- wg==
- One's complement
- 61 (8-bit)
- Scientific notation
- 1.94 × 10²
- As a duration
- 194 s = 3 minutes, 14 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ρϟδʹ
- Mayan (base 20)
- 𝋩·𝋮
- Chinese
- 一百九十四
- Chinese (financial)
- 壹佰玖拾肆
Digit at this position in famous constants
- π — Pi (π)
- Digit 194 = 9
- e — Euler's number (e)
- Digit 194 = 2
- φ — Golden ratio (φ)
- Digit 194 = 2
- √2 — Pythagoras's (√2)
- Digit 194 = 0
- ln 2 — Natural log of 2
- Digit 194 = 4
- γ — Euler-Mascheroni (γ)
- Digit 194 = 2
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 194, here are decompositions:
- 3 + 191 = 194
- 13 + 181 = 194
- 31 + 163 = 194
- 37 + 157 = 194
- 43 + 151 = 194
- 67 + 127 = 194
- 97 + 97 = 194
UTF-8 encoding: C3 82 (2 bytes).
TCP/UDP port 194 is the well-known port for IRC — Internet Relay Chat.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.194.
- Address
- 0.0.0.194
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.0.194
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 194 Hz is closest to:
- Concert pitch (A4 = 440 Hz): G3 (196 Hz, -18¢)
- Scientific pitch (C4 = 256 Hz): G3 (191.8 Hz, +20¢)
- Baroque pitch (A4 = 415 Hz): G♯3 (195.9 Hz, -16¢)
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.