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53,131

53,131 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 Harshad / Niven Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
45
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
13,135
Recamán's sequence
a(60,862) = 53,131
Square (n²)
2,822,903,161
Cube (n³)
149,983,667,847,091
Divisor count
8
σ(n) — sum of divisors
59,024
φ(n) — Euler's totient
47,520
Sum of prime factors
141

Primality

Prime factorization: 13 × 61 × 67

Nearest primes: 53,129 (−2) · 53,147 (+16)

Divisors & multiples

All divisors (8)
1 · 13 · 61 · 67 · 793 · 871 · 4087 · 53131
Aliquot sum (sum of proper divisors): 5,893
Factor pairs (a × b = 53,131)
1 × 53131
13 × 4087
61 × 871
67 × 793
First multiples
53,131 · 106,262 (double) · 159,393 · 212,524 · 265,655 · 318,786 · 371,917 · 425,048 · 478,179 · 531,310

Sums & aliquot sequence

As consecutive integers: 26,565 + 26,566 4,081 + 4,082 + … + 4,093 2,031 + 2,032 + … + 2,056 841 + 842 + … + 901
Aliquot sequence: 53,131 5,893 155 37 1 0 — terminates at zero

Representations

In words
fifty-three thousand one hundred thirty-one
Ordinal
53131st
Binary
1100111110001011
Octal
147613
Hexadecimal
0xCF8B
Base64
z4s=
One's complement
12,404 (16-bit)
In other bases
ternary (3) 2200212211
quaternary (4) 30332023
quinary (5) 3200011
senary (6) 1045551
septenary (7) 310621
nonary (9) 80784
undecimal (11) 36a11
duodecimal (12) 268b7
tridecimal (13) 1b250
tetradecimal (14) 15511
pentadecimal (15) 10b21

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺
Greek (Milesian)
͵νγρλαʹ
Mayan (base 20)
𝋦·𝋬·𝋰·𝋫
Chinese
五萬三千一百三十一
Chinese (financial)
伍萬參仟壹佰參拾壹
In other modern scripts
Eastern Arabic ٥٣١٣١ Devanagari ५३१३१ Bengali ৫৩১৩১ Tamil ௫௩௧௩௧ Thai ๕๓๑๓๑ Tibetan ༥༣༡༣༡ Khmer ៥៣១៣១ Lao ໕໓໑໓໑ Burmese ၅၃၁၃၁

Digit at this position in famous constants

π — Pi (π)
Digit 53,131 = 8
e — Euler's number (e)
Digit 53,131 = 9
φ — Golden ratio (φ)
Digit 53,131 = 7
√2 — Pythagoras's (√2)
Digit 53,131 = 6
ln 2 — Natural log of 2
Digit 53,131 = 2
γ — Euler-Mascheroni (γ)
Digit 53,131 = 2

Also seen as

Unicode codepoint
Hangul Syllable Kwah
U+CF8B
Other letter (Lo)

UTF-8 encoding: EC BE 8B (3 bytes).

Hex color
#00CF8B
RGB(0, 207, 139)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.207.139.

Address
0.0.207.139
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.207.139

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

Position in π

The digit sequence 53131 first appears in π at position 14,882 of the decimal expansion (the 14,882ordinal-suffix:nd 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.