Number

994

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

Arithmetic Number Deficient Number Evil Number Recamán's Sequence Sphenic Number Squarefree Year

Historical context — 994 AD

Calendar year

Year 994 (CMXCIV) was a common year starting on Monday of the Julian calendar.

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Historical context — 994 BC

Decade

The 990s BC is a decade that lasted from 999 BC to 990 BC.

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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, 994
Ended on: Wednesday
December 31, 994
Friday the 13ths: 1
One Friday the 13th this year.
Decade: 990s
990–999
Century: 10th century
901–1000
Millennium: 1st millennium
1–1000
Years ago: 1,032
1032 years before 2026.

In other calendars

Hebrew: 4754 / 4755 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 383 / 384 AH
Lunar calendar; year spans differ from Gregorian.
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: 1537 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 372 / 373 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 986 / 987 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 916 / 915 Saka
Indian national calendar; year starts in March.

Properties

Parity: Even
Digit count: 3
Digit sum: 22
Digit product: 324
Digital root: 4
Palindrome: No
Bit width: 10 bits
Reversed: 499
Recamán's sequence: a(4,431) = 994
Square (n²): 988,036
Cube (n³): 982,107,784
Divisor count: 8
σ(n) — sum of divisors: 1,728
φ(n) — Euler's totient: 420
Sum of prime factors: 80

Primality

Prime factorization: 2 × 7 × 71

Nearest primes: 991 (−3) · 997 (+3)

Divisors & multiples

All divisors (8)

1 · 2 · 7 · 14 · 71 · 142 · 497 (half) · 994

Aliquot sum (sum of proper divisors): 734

Factor pairs (a × b = 994)

1 × 994

2 × 497

7 × 142

14 × 71

First multiples

994 · 1,988 (double) · 2,982 · 3,976 · 4,970 · 5,964 · 6,958 · 7,952 · 8,946 · 9,940

Sums & aliquot sequence

As consecutive integers: 247 + 248 + 249 + 250 139 + 140 + … + 145 22 + 23 + … + 49

Aliquot sequence: 994 → 734 → 370 → 314 → 160 → 218 → 112 → 136 → 134 → 70 → 74 → 40 → 50 → 43 → 1 → 0 — terminates at zero

Representations

In words: nine hundred ninety-four
Ordinal: 994th
Roman numeral: CMXCIV
Binary: 1111100010
Octal: 1742
Hexadecimal: 0x3E2
Base64: A+I=
One's complement: 64,541 (16-bit)

In other bases

ternary (3) 1100211

quaternary (4) 33202

quinary (5) 12434

senary (6) 4334

septenary (7) 2620

nonary (9) 1324

undecimal (11) 824

duodecimal (12) 6aa

tridecimal (13) 5b6

tetradecimal (14) 510

pentadecimal (15) 464

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
Greek (Milesian): ϡϟδʹ
Mayan (base 20): 𝋢·𝋩·𝋮
Chinese: 九百九十四
Chinese (financial): 玖佰玖拾肆

In other modern scripts

Eastern Arabic ٩٩٤ Devanagari ९९४ Bengali ৯৯৪ Tamil ௯௯௪ Thai ๙๙๔ Tibetan ༩༩༤ Khmer ៩៩៤ Lao ໙໙໔ Burmese ၉၉၄

Digit at this position in famous constants

π — Pi (π): Digit 994 = 6
e — Euler's number (e): Digit 994 = 7
φ — Golden ratio (φ): Digit 994 = 3
√2 — Pythagoras's (√2): Digit 994 = 1
ln 2 — Natural log of 2: Digit 994 = 4
γ — Euler-Mascheroni (γ): Digit 994 = 7

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 994, here are decompositions:

3 + 991 = 994
11 + 983 = 994
17 + 977 = 994
23 + 971 = 994
41 + 953 = 994
47 + 947 = 994
53 + 941 = 994
83 + 911 = 994

Showing the first eight; more decompositions exist.

Unicode codepoint

Coptic Capital Letter Shei

U+03E2

Uppercase letter (Lu)

UTF-8 encoding: CF A2 (2 bytes).

Lookup U+03E2 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0003E2

RGB(0, 3, 226)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.226.

Address: 0.0.3.226
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.3.226

Unspecified address (0.0.0.0/8) — "this network" placeholder.