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5,291

5,291 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.).

5,291 (five thousand two hundred ninety-one) is an odd 4-digit number. It is a composite number with 8 divisors, and factors as 11 × 13 × 37. Written other ways, in hexadecimal, 0x14AB.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
4
Digit sum
17
Digit product
90
Digital root
8
Palindrome
No
Bit width
13 bits
Reversed
1,925
Recamán's sequence
a(27,874) = 5,291
Square (n²)
27,994,681
Cube (n³)
148,119,857,171
Divisor count
8
σ(n) — sum of divisors
6,384
φ(n) — Euler's totient
4,320
Sum of prime factors
61

Primality

Prime factorization: 11 × 13 × 37

Nearest primes: 5,281 (−10) · 5,297 (+6)

Divisors & multiples

All divisors (8)
1 · 11 · 13 · 37 · 143 · 407 · 481 · 5291
Aliquot sum (sum of proper divisors): 1,093
Factor pairs (a × b = 5,291)
1 × 5291
11 × 481
13 × 407
37 × 143
First multiples
5,291 · 10,582 (double) · 15,873 · 21,164 · 26,455 · 31,746 · 37,037 · 42,328 · 47,619 · 52,910

Sums & aliquot sequence

As consecutive integers: 2,645 + 2,646 476 + 477 + … + 486 401 + 402 + … + 413 230 + 231 + … + 251
Aliquot sequence: 5,291 1,093 1 0 — terminates at zero

Continued fraction of √n

√5,291 = [72; (1, 2, 1, 5, 14, 2, 1, 2, 14, 5, 1, 2, 1, 144)]

Period length 14 — the block in parentheses repeats forever.

Representations

In words
five thousand two hundred ninety-one
Ordinal
5291st
Binary
1010010101011
Octal
12253
Hexadecimal
0x14AB
Base64
FKs=
One's complement
60,244 (16-bit)
Scientific notation
5.291 × 10³
As a duration
5,291 s = 1 hour, 28 minutes, 11 seconds
In other bases
ternary (3) 21020222
quaternary (4) 1102223
quinary (5) 132131
senary (6) 40255
septenary (7) 21266
nonary (9) 7228
undecimal (11) 3a80
duodecimal (12) 308b
tridecimal (13) 2540
tetradecimal (14) 1cdd
pentadecimal (15) 187b

As an angle

5,291° = 14 × 360° + 251°
251° ≈ 4.381 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵εσϟαʹ
Mayan (base 20)
𝋭·𝋤·𝋫
Chinese
五千二百九十一
Chinese (financial)
伍仟貳佰玖拾壹
In other modern scripts
Eastern Arabic ٥٢٩١ Devanagari ५२९१ Bengali ৫২৯১ Tamil ௫௨௯௧ Thai ๕๒๙๑ Tibetan ༥༢༩༡ Khmer ៥២៩១ Lao ໕໒໙໑ Burmese ၅၂၉၁

Digit at this position in famous constants

π — Pi (π)
Digit 5,291 = 4
e — Euler's number (e)
Digit 5,291 = 4
φ — Golden ratio (φ)
Digit 5,291 = 3
√2 — Pythagoras's (√2)
Digit 5,291 = 7
ln 2 — Natural log of 2
Digit 5,291 = 8
γ — Euler-Mascheroni (γ)
Digit 5,291 = 8

Also seen as

Unicode codepoint
Canadian Syllabics Maa
U+14AB
Other letter (Lo)

UTF-8 encoding: E1 92 AB (3 bytes).

Hex color
#0014AB
RGB(0, 20, 171)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.20.171.

Address
0.0.20.171
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.20.171

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

Musical pitch

Heard as a frequency, 5,291 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): E8 (5274 Hz, +6¢)
  • Scientific pitch (C4 = 256 Hz): E8 (5160.6 Hz, +43¢)
  • Baroque pitch (A4 = 415 Hz): F8 (5270.2 Hz, +7¢)
Position in π

The digit sequence 5291 first appears in π at position 10,193 of the decimal expansion (the 10,193ordinal-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.

Related reading

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.