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13,139

13,139 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 Evil Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
17
Digit product
81
Digital root
8
Palindrome
No
Bit width
14 bits
Reversed
93,131
Recamán's sequence
a(47,997) = 13,139
Square (n²)
172,633,321
Cube (n³)
2,268,229,204,619
Divisor count
4
σ(n) — sum of divisors
15,024
φ(n) — Euler's totient
11,256
Sum of prime factors
1,884

Primality

Prime factorization: 7 × 1877

Nearest primes: 13,127 (−12) · 13,147 (+8)

Divisors & multiples

All divisors (4)
1 · 7 · 1877 · 13139
Aliquot sum (sum of proper divisors): 1,885
Factor pairs (a × b = 13,139)
1 × 13139
7 × 1877
First multiples
13,139 · 26,278 (double) · 39,417 · 52,556 · 65,695 · 78,834 · 91,973 · 105,112 · 118,251 · 131,390

Sums & aliquot sequence

As consecutive integers: 6,569 + 6,570 1,874 + 1,875 + … + 1,880 932 + 933 + … + 945
Aliquot sequence: 13,139 1,885 635 133 27 13 1 0 — terminates at zero

Representations

In words
thirteen thousand one hundred thirty-nine
Ordinal
13139th
Binary
11001101010011
Octal
31523
Hexadecimal
0x3353
Base64
M1M=
One's complement
52,396 (16-bit)
In other bases
ternary (3) 200000122
quaternary (4) 3031103
quinary (5) 410024
senary (6) 140455
septenary (7) 53210
nonary (9) 20018
undecimal (11) 9965
duodecimal (12) 772b
tridecimal (13) 5c99
tetradecimal (14) 4b07
pentadecimal (15) 3d5e

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγρλθʹ
Mayan (base 20)
𝋡·𝋬·𝋰·𝋳
Chinese
一萬三千一百三十九
Chinese (financial)
壹萬參仟壹佰參拾玖
In other modern scripts
Eastern Arabic ١٣١٣٩ Devanagari १३१३९ Bengali ১৩১৩৯ Tamil ௧௩௧௩௯ Thai ๑๓๑๓๙ Tibetan ༡༣༡༣༩ Khmer ១៣១៣៩ Lao ໑໓໑໓໙ Burmese ၁၃၁၃၉

Digit at this position in famous constants

π — Pi (π)
Digit 13,139 = 4
e — Euler's number (e)
Digit 13,139 = 9
φ — Golden ratio (φ)
Digit 13,139 = 3
√2 — Pythagoras's (√2)
Digit 13,139 = 6
ln 2 — Natural log of 2
Digit 13,139 = 2
γ — Euler-Mascheroni (γ)
Digit 13,139 = 1

Also seen as

Unicode codepoint
Square Rupii
U+3353
Other symbol (So)

UTF-8 encoding: E3 8D 93 (3 bytes).

Hex color
#003353
RGB(0, 51, 83)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.83.

Address
0.0.51.83
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.51.83

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

Position in π

The digit sequence 13139 first appears in π at position 147,049 of the decimal expansion (the 147,049ordinal-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.