Number

11,159

11,159 is a prime, odd.

11,159 (eleven thousand one hundred fifty-nine) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x2B97.

Arithmetic Number Chen Prime Cube-Free Deficient Number Emirp Happy Number Odious Number Prime Recamán's Sequence Squarefree Twin Prime

Interestingness

★ ★ ★ ★ ★

9 notable facts · grade A

11,147 11,148 11,149 11,150 11,151 11,152 11,153 11,154 11,155 11,156 11,157 11,158 11,159 11,160 11,161 11,162 11,163 11,164 11,165 11,166 11,167 11,168 11,169 11,170 11,171

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Properties

Parity: Odd
Digit count: 5
Digit sum: 17
Digit product: 45
Digital root: 8
Palindrome: No
Bit width: 14 bits
Reversed: 95,111
Recamán's sequence: a(173,941) = 11,159
Square (n²): 124,523,281
Cube (n³): 1,389,555,292,679
Divisor count: 2
σ(n) — sum of divisors: 11,160
φ(n) — Euler's totient: 11,158

Primality

11,159 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 11159

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 11,159)

1 × 11159

First multiples

11,159 · 22,318 (double) · 33,477 · 44,636 · 55,795 · 66,954 · 78,113 · 89,272 · 100,431 · 111,590

Sums & aliquot sequence

As consecutive integers: 5,579 + 5,580

Continued fraction of √n

√11,159 = [105; (1, 1, 1, 2, 1, 41, 1, 1, 8, 1, 2, 8, 9, 2, 14, 1, 1, 1, 1, 1, 1, 3, 2, 1, …)]

Representations

In words: eleven thousand one hundred fifty-nine
Ordinal: 11159th
Binary: 10101110010111
Octal: 25627
Hexadecimal: 0x2B97
Base64: K5c=
One's complement: 54,376 (16-bit)
Scientific notation: 1.1159 × 10⁴
As a duration: 11,159 s = 3 hours, 5 minutes, 59 seconds

In other bases

ternary (3) 120022022

quaternary (4) 2232113

quinary (5) 324114

senary (6) 123355

septenary (7) 44351

nonary (9) 16268

undecimal (11) 8425

duodecimal (12) 655b

tridecimal (13) 5105

tetradecimal (14) 40d1

pentadecimal (15) 348e

As an angle

11,159° = 30 × 360° + 359°

359° ≈ 6.266 rad

Compass bearing: N (north)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓂍𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ιαρνθʹ
Mayan (base 20): 𝋡·𝋧·𝋱·𝋳
Chinese: 一萬一千一百五十九
Chinese (financial): 壹萬壹仟壹佰伍拾玖

In other modern scripts

Eastern Arabic ١١١٥٩ Devanagari १११५९ Bengali ১১১৫৯ Tamil ௧௧௧௫௯ Thai ๑๑๑๕๙ Tibetan ༡༡༡༥༩ Khmer ១១១៥៩ Lao ໑໑໑໕໙ Burmese ၁၁၁၅၉

Digit at this position in famous constants

π — Pi (π): Digit 11,159 = 6
e — Euler's number (e): Digit 11,159 = 8
φ — Golden ratio (φ): Digit 11,159 = 3
√2 — Pythagoras's (√2): Digit 11,159 = 5
ln 2 — Natural log of 2: Digit 11,159 = 9
γ — Euler-Mascheroni (γ): Digit 11,159 = 9

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 11,149 (gap of 10)
Next prime: 11,161 (gap of 2)

Pair status: twin with 11161.

Unicode codepoint

⮗

Symbol For Type A Electronics

U+2B97

Other symbol (So)

UTF-8 encoding: E2 AE 97 (3 bytes).

Lookup U+2B97 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#002B97

RGB(0, 43, 151)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.43.151.

Address: 0.0.43.151
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.43.151

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

Musical pitch

Heard as a frequency, 11,159 Hz is closest to:

Concert pitch (A4 = 440 Hz): F9 (11175.3 Hz, -3¢)
Scientific pitch (C4 = 256 Hz): F9 (10935 Hz, +35¢)
Baroque pitch (A4 = 415 Hz): F♯9 (11167.1 Hz, -1¢)

Position in π

The digit sequence 11159 first appears in π at position 31,488 of the decimal expansion (the 31,488ordinal-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 11159 on Pi Search ↗