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13,143

13,143 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.).
Arithmetic Number Deficient Number Gapful Number Odious Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
12
Digit product
36
Digital root
3
Palindrome
No
Bit width
14 bits
Reversed
34,131
Recamán's sequence
a(47,989) = 13,143
Square (n²)
172,738,449
Cube (n³)
2,270,301,435,207
Divisor count
8
σ(n) — sum of divisors
18,928
φ(n) — Euler's totient
8,064
Sum of prime factors
353

Primality

Prime factorization: 3 × 13 × 337

Nearest primes: 13,127 (−16) · 13,147 (+4)

Divisors & multiples

All divisors (8)
1 · 3 · 13 · 39 · 337 · 1011 · 4381 · 13143
Aliquot sum (sum of proper divisors): 5,785
Factor pairs (a × b = 13,143)
1 × 13143
3 × 4381
13 × 1011
39 × 337
First multiples
13,143 · 26,286 (double) · 39,429 · 52,572 · 65,715 · 78,858 · 92,001 · 105,144 · 118,287 · 131,430

Sums & aliquot sequence

As consecutive integers: 6,571 + 6,572 4,380 + 4,381 + 4,382 2,188 + 2,189 + 2,190 + 2,191 + 2,192 + 2,193 1,005 + 1,006 + … + 1,017
Aliquot sequence: 13,143 5,785 1,775 457 1 0 — terminates at zero

Representations

In words
thirteen thousand one hundred forty-three
Ordinal
13143rd
Binary
11001101010111
Octal
31527
Hexadecimal
0x3357
Base64
M1c=
One's complement
52,392 (16-bit)
In other bases
ternary (3) 200000210
quaternary (4) 3031113
quinary (5) 410033
senary (6) 140503
septenary (7) 53214
nonary (9) 20023
undecimal (11) 9969
duodecimal (12) 7733
tridecimal (13) 5ca0
tetradecimal (14) 4b0b
pentadecimal (15) 3d63

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵ιγρμγʹ
Mayan (base 20)
𝋡·𝋬·𝋱·𝋣
Chinese
一萬三千一百四十三
Chinese (financial)
壹萬參仟壹佰肆拾參
In other modern scripts
Eastern Arabic ١٣١٤٣ Devanagari १३१४३ Bengali ১৩১৪৩ Tamil ௧௩௧௪௩ Thai ๑๓๑๔๓ Tibetan ༡༣༡༤༣ Khmer ១៣១៤៣ Lao ໑໓໑໔໓ Burmese ၁၃၁၄၃

Digit at this position in famous constants

π — Pi (π)
Digit 13,143 = 6
e — Euler's number (e)
Digit 13,143 = 6
φ — Golden ratio (φ)
Digit 13,143 = 0
√2 — Pythagoras's (√2)
Digit 13,143 = 5
ln 2 — Natural log of 2
Digit 13,143 = 6
γ — Euler-Mascheroni (γ)
Digit 13,143 = 4

Also seen as

Unicode codepoint
Square Watto
U+3357
Other symbol (So)

UTF-8 encoding: E3 8D 97 (3 bytes).

Hex color
#003357
RGB(0, 51, 87)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.87.

Address
0.0.51.87
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.51.87

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

Position in π

The digit sequence 13143 first appears in π at position 293,865 of the decimal expansion (the 293,865ordinal-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.