Number

14,891

14,891 is a prime, odd.

14,891 (fourteen thousand eight hundred ninety-one) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x3A2B.

Arithmetic Number Chen Prime Cousin Prime Cube-Free Deficient Number Emirp Evil Number Prime Recamán's Sequence Sexy Prime Squarefree

Interestingness

★ ★ ★ ★ ★

9 notable facts · grade A

14,879 14,880 14,881 14,882 14,883 14,884 14,885 14,886 14,887 14,888 14,889 14,890 14,891 14,892 14,893 14,894 14,895 14,896 14,897 14,898 14,899 14,900 14,901 14,902 14,903

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 23
Digit product: 288
Digital root: 5
Palindrome: No
Bit width: 14 bits
Reversed: 19,841
Recamán's sequence: a(90,518) = 14,891
Square (n²): 221,741,881
Cube (n³): 3,301,958,349,971
Divisor count: 2
σ(n) — sum of divisors: 14,892
φ(n) — Euler's totient: 14,890

Primality

14,891 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 14891

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 14,891)

1 × 14891

First multiples

14,891 · 29,782 (double) · 44,673 · 59,564 · 74,455 · 89,346 · 104,237 · 119,128 · 134,019 · 148,910

Sums & aliquot sequence

As consecutive integers: 7,445 + 7,446

Continued fraction of √n

√14,891 = [122; (34, 1, 6, 4, 1, 5, 6, 1, 4, 48, 1, 1, 1, 1, 6, 2, 1, 2, 5, 3, 3, 3, 24, 9, …)]

Representations

In words: fourteen thousand eight hundred ninety-one
Ordinal: 14891st
Binary: 11101000101011
Octal: 35053
Hexadecimal: 0x3A2B
Base64: Ois=
One's complement: 50,644 (16-bit)
Scientific notation: 1.4891 × 10⁴
As a duration: 14,891 s = 4 hours, 8 minutes, 11 seconds

In other bases

ternary (3) 202102112

quaternary (4) 3220223

quinary (5) 434031

senary (6) 152535

septenary (7) 61262

nonary (9) 22375

undecimal (11) 10208

duodecimal (12) 874b

tridecimal (13) 6a16

tetradecimal (14) 55d9

pentadecimal (15) 462b

Palindromic in base 4, base 8

As an angle

14,891° = 41 × 360° + 131°

131° ≈ 2.286 rad

Compass bearing: SE (southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹
Egyptian hieroglyphic: 𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵ιδωϟαʹ
Mayan (base 20): 𝋡·𝋱·𝋤·𝋫
Chinese: 一萬四千八百九十一
Chinese (financial): 壹萬肆仟捌佰玖拾壹

In other modern scripts

Eastern Arabic ١٤٨٩١ Devanagari १४८९१ Bengali ১৪৮৯১ Tamil ௧௪௮௯௧ Thai ๑๔๘๙๑ Tibetan ༡༤༨༩༡ Khmer ១៤៨៩១ Lao ໑໔໘໙໑ Burmese ၁၄၈၉၁

Digit at this position in famous constants

π — Pi (π): Digit 14,891 = 7
e — Euler's number (e): Digit 14,891 = 2
φ — Golden ratio (φ): Digit 14,891 = 8
√2 — Pythagoras's (√2): Digit 14,891 = 1
ln 2 — Natural log of 2: Digit 14,891 = 9
γ — Euler-Mascheroni (γ): Digit 14,891 = 7

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 14,887 (gap of 4)
Next prime: 14,897 (gap of 6)

Pair status: cousin with 14887, sexy with 14897.

Unicode codepoint

㨫

CJK Unified Ideograph-3A2B

U+3A2B

Other letter (Lo)

UTF-8 encoding: E3 A8 AB (3 bytes).

Lookup U+3A2B on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#003A2B

RGB(0, 58, 43)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.58.43.

Address: 0.0.58.43
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.58.43

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

Musical pitch

Heard as a frequency, 14,891 Hz is closest to:

Concert pitch (A4 = 440 Hz): A♯9 (14917.2 Hz, -3¢)
Scientific pitch (C4 = 256 Hz): A♯9 (14596.5 Hz, +35¢)
Baroque pitch (A4 = 415 Hz): B9 (14906.3 Hz, -2¢)

Position in π

The digit sequence 14891 first appears in π at position 26,583 of the decimal expansion (the 26,583ordinal-suffix:rd 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 14891 on Pi Search ↗