number.wiki
Number

194

194 is a composite number, even, a calendar year.

Deficient Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree Year

Historical context — 194 AD

Calendar year

Year 194 (CXCIV) was a common year starting on Tuesday of the Julian calendar.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 · English fallback Read the full article on Wikipedia →

Historical context — 194 BC

Calendar year

Year 194 BC was a year of the pre-Julian Roman calendar.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 · English fallback Read the full article on Wikipedia →

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

Parity
Even
Digit count
3
Digit sum
14
Digit product
36
Digital root
5
Palindrome
No
Bit width
8 bits
Reversed
491
Recamán's sequence
a(1,383) = 194
Square (n²)
37,636
Cube (n³)
7,301,384
Divisor count
4
σ(n) — sum of divisors
294
φ(n) — Euler's totient
96
Sum of prime factors
99

Primality

Prime factorization: 2 × 97

Nearest primes: 193 (−1) · 197 (+3)

Divisors & multiples

All divisors (4)
1 · 2 · 97 (half) · 194
Aliquot sum (sum of proper divisors): 100
Factor pairs (a × b = 194)
1 × 194
2 × 97
First multiples
194 · 388 (double) · 582 · 776 · 970 · 1,164 · 1,358 · 1,552 · 1,746 · 1,940

Sums & aliquot sequence

As a sum of two squares: 5² + 13²
As consecutive integers: 47 + 48 + 49 + 50
Aliquot sequence: 194 100 117 65 19 1 0 — terminates at zero

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)
In other bases
ternary (3) 21012
quaternary (4) 3002
quinary (5) 1234
senary (6) 522
septenary (7) 365
nonary (9) 235
undecimal (11) 167
duodecimal (12) 142
tridecimal (13) 11c
tetradecimal (14) dc
pentadecimal (15) ce

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
In other modern scripts
Eastern Arabic ١٩٤ Devanagari १९४ Bengali ১৯৪ Tamil ௧௯௪ Thai ๑๙๔ Tibetan ༡༩༤ Khmer ១៩៤ Lao ໑໙໔ Burmese ၁၉၄

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 decomposition

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
Unicode codepoint
Â
Latin Capital Letter A With Circumflex
U+00C2
Uppercase letter (Lu)

UTF-8 encoding: C3 82 (2 bytes).

Network port

TCP/UDP port 194 is the well-known port for IRC — Internet Relay Chat.

Hex color
#0000C2
RGB(0, 0, 194)
IPv4 address

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.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000000194
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.