Live analysis

3,091

3,091 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

3,091 (three thousand ninety-one) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 11 × 281. Written other ways, in Roman numerals it is MMMXCI and in binary, 110000010011.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Pernicious Number Recamán's Sequence Semiprime Smith Number Squarefree

Interestingness

★ ★ ★ ★ ☆

7 notable facts · grade B

3,079 3,080 3,081 3,082 3,083 3,084 3,085 3,086 3,087 3,088 3,089 3,090 3,091 3,092 3,093 3,094 3,095 3,096 3,097 3,098 3,099 3,100 3,101 3,102 3,103

less more

Properties

Parity: Odd
Digit count: 4
Digit sum: 13
Digit product: 0
Digital root: 4
Palindrome: No
Bit width: 12 bits
Reversed: 1,903
Recamán's sequence: a(1,621) = 3,091
Square (n²): 9,554,281
Cube (n³): 29,532,282,571
Divisor count: 4
σ(n) — sum of divisors: 3,384
φ(n) — Euler's totient: 2,800
Sum of prime factors: 292

Primality

Prime factorization: 11 × 281

Nearest primes: 3,089 (−2) · 3,109 (+18)

Divisors & multiples

All divisors (4)

1 · 11 · 281 · 3091

Aliquot sum (sum of proper divisors): 293

Factor pairs (a × b = 3,091)

1 × 3091

11 × 281

First multiples

3,091 · 6,182 (double) · 9,273 · 12,364 · 15,455 · 18,546 · 21,637 · 24,728 · 27,819 · 30,910

Sums & aliquot sequence

As consecutive integers: 1,545 + 1,546 276 + 277 + … + 286 130 + 131 + … + 151

Aliquot sequence: 3,091 → 293 → 1 → 0 — terminates at zero

Continued fraction of √n

√3,091 = [55; (1, 1, 2, 11, 1, 21, 3, 7, 1, 1, 1, 1, 2, 4, 15, 1, 1, 1, 10, 2, 5, 1, 2, 3, …)]

Period length 50 — the block in parentheses repeats forever.

Representations

In words: three thousand ninety-one
Ordinal: 3091st
Roman numeral: MMMXCI
Binary: 110000010011
Octal: 6023
Hexadecimal: 0xC13
Base64: DBM=
One's complement: 62,444 (16-bit)
Scientific notation: 3.091 × 10³
As a duration: 3,091 s = 51 minutes, 31 seconds

In other bases

ternary (3) 11020111

quaternary (4) 300103

quinary (5) 44331

senary (6) 22151

septenary (7) 12004

nonary (9) 4214

undecimal (11) 2360

duodecimal (12) 1957

tridecimal (13) 153a

tetradecimal (14) 11ab

pentadecimal (15) db1

As an angle

3,091° = 8 × 360° + 211°

211° ≈ 3.683 rad

Compass bearing: SSW (south-southwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵γϟαʹ
Mayan (base 20): 𝋧·𝋮·𝋫
Chinese: 三千零九十一
Chinese (financial): 參仟零玖拾壹

In other modern scripts

Eastern Arabic ٣٠٩١ Devanagari ३०९१ Bengali ৩০৯১ Tamil ௩௦௯௧ Thai ๓๐๙๑ Tibetan ༣༠༩༡ Khmer ៣០៩១ Lao ໓໐໙໑ Burmese ၃၀၉၁

Digit at this position in famous constants

π — Pi (π): Digit 3,091 = 9
e — Euler's number (e): Digit 3,091 = 1
φ — Golden ratio (φ): Digit 3,091 = 9
√2 — Pythagoras's (√2): Digit 3,091 = 0
ln 2 — Natural log of 2: Digit 3,091 = 1
γ — Euler-Mascheroni (γ): Digit 3,091 = 9

Also seen as

Unicode codepoint

ఓ

Telugu Letter Oo

U+0C13

Other letter (Lo)

UTF-8 encoding: E0 B0 93 (3 bytes).

Lookup U+0C13 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000C13

RGB(0, 12, 19)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.12.19.

Address: 0.0.12.19
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.12.19

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

Musical pitch

Heard as a frequency, 3,091 Hz is closest to:

Concert pitch (A4 = 440 Hz): G7 (3136 Hz, -25¢)
Scientific pitch (C4 = 256 Hz): G7 (3068.5 Hz, +13¢)
Baroque pitch (A4 = 415 Hz): G♯7 (3133.7 Hz, -24¢)

Position in π

The digit sequence 3091 first appears in π at position 8,780 of the decimal expansion (the 8,780ordinal-suffix:th digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Look up 3091 on Pi Search ↗