94
94 is a composite number, even, a calendar year.
94 (ninety-four) is an even 2-digit number. It is a composite number with 4 divisors, and factors as 2 × 47. Written other ways, in Roman numerals it is XCIV and in binary, 1011110.
Interestingness
Historical context — 94 AD
Calendar year
AD 94 (XCIV) was a common year starting on Wednesday of the Julian calendar.
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Historical context — 94 BC
Calendar year
Year 94 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
-
Friday
January 1, 94
- Ended on
-
Friday
December 31, 94
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
90s
90–99
- Century
-
1st century
1–100
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,932
1932 years before 2026.
In other calendars
- Hebrew
-
3854 / 3855 AM
Rosh Hashanah falls in September/October.
- Chinese
-
Year of the zodiac:Wood zodiac:Horse
Sexagenary cycle position 31 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
637 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Ethiopian
-
86 / 87 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
16 / 15 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 2 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√94 = [9; (1, 2, 3, 1, 1, 5, 1, 8, 1, 5, 1, 1, 3, 2, 1, 18)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- ninety-four
- Ordinal
- 94th
- Roman numeral
- XCIV
- Binary
- 1011110
- Octal
- 136
- Hexadecimal
- 0x5E
- Base64
- Xg==
- One's complement
- 161 (8-bit)
- Scientific notation
- 9.4 × 10¹
- As a duration
- 94 s = 1 minute, 34 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ϟδʹ
- Mayan (base 20)
- 𝋤·𝋮
- Chinese
- 九十四
- Chinese (financial)
- 玖拾肆
Digit at this position in famous constants
- π — Pi (π)
- Digit 94 = 2
- e — Euler's number (e)
- Digit 94 = 5
- φ — Golden ratio (φ)
- Digit 94 = 9
- √2 — Pythagoras's (√2)
- Digit 94 = 7
- ln 2 — Natural log of 2
- Digit 94 = 6
- γ — Euler-Mascheroni (γ)
- Digit 94 = 1
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 94, here are decompositions:
- 5 + 89 = 94
- 11 + 83 = 94
- 23 + 71 = 94
- 41 + 53 = 94
- 47 + 47 = 94
As an ASCII codepoint, 94 is ^. Printable ASCII character ^.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.94.
- Address
- 0.0.0.94
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.0.94
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Matches numbered highway designation:
- I-94 — Billings, MT to Port Huron, MI.
Heard as a frequency, 94 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F♯2 (92.5 Hz, +28¢)
- Scientific pitch (C4 = 256 Hz): G2 (95.9 Hz, -34¢)
- Baroque pitch (A4 = 415 Hz): G2 (92.4 Hz, +29¢)
As a MIDI note number, 94 is A♯6 (1864.7 Hz at concert pitch).
On the periodic table, atomic number 94 is Plutonium (Pu) — period 7.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.