Live analysis

131,931

131,931 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.).

131,931 (one hundred thirty-one thousand nine hundred thirty-one) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3² × 107 × 137. Written other ways, in hexadecimal, 0x2035B.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

131,919 131,920 131,921 131,922 131,923 131,924 131,925 131,926 131,927 131,928 131,929 131,930 131,931 131,932 131,933 131,934 131,935 131,936 131,937 131,938 131,939 131,940 131,941 131,942 131,943

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 18
Digit product: 81
Digital root: 9
Palindrome: No
Bit width: 18 bits
Reversed: 139,131
Recamán's sequence: a(228,510) = 131,931
Square (n²): 17,405,788,761
Cube (n³): 2,296,363,117,027,491
Divisor count: 12
σ(n) — sum of divisors: 193,752
φ(n) — Euler's totient: 86,496
Sum of prime factors: 250

Primality

Prime factorization: 3 ² × 107 × 137

Nearest primes: 131,927 (−4) · 131,933 (+2)

Divisors & multiples

All divisors (12)

1 · 3 · 9 · 107 · 137 · 321 · 411 · 963 · 1233 · 14659 · 43977 · 131931

Aliquot sum (sum of proper divisors): 61,821

Factor pairs (a × b = 131,931)

1 × 131931

3 × 43977

9 × 14659

107 × 1233

137 × 963

321 × 411

First multiples

131,931 · 263,862 (double) · 395,793 · 527,724 · 659,655 · 791,586 · 923,517 · 1,055,448 · 1,187,379 · 1,319,310

Sums & aliquot sequence

As consecutive integers: 65,965 + 65,966 43,976 + 43,977 + 43,978 21,986 + 21,987 + 21,988 + 21,989 + 21,990 + 21,991 14,655 + 14,656 + … + 14,663

Aliquot sequence: 131,931 → 61,821 → 27,489 → 21,759 → 7,257 → 2,823 → 945 → 975 → 761 → 1 → 0 — terminates at zero

Continued fraction of √n

√131,931 = [363; (4, 2, 14, 11, 1, 5, 4, 5, 1, 1, 9, 3, 1, 1, 1, 14, 5, 3, 5, 14, 1, 1, 1, 3, …)]

Period length 36 — the block in parentheses repeats forever.

Representations

In words: one hundred thirty-one thousand nine hundred thirty-one
Ordinal: 131931st
Binary: 100000001101011011
Octal: 401533
Hexadecimal: 0x2035B
Base64: AgNb
One's complement: 4,294,835,364 (32-bit)
Scientific notation: 1.31931 × 10⁵
As a duration: 131,931 s = 1 day, 12 hours, 38 minutes, 51 seconds

In other bases

ternary (3) 20200222100

quaternary (4) 200031123

quinary (5) 13210211

senary (6) 2454443

septenary (7) 1056432

nonary (9) 220870

undecimal (11) 90138

duodecimal (12) 64423

tridecimal (13) 48087

tetradecimal (14) 36119

pentadecimal (15) 29156

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺
Greek (Milesian): ͵ρλαϡλαʹ
Mayan (base 20): 𝋰·𝋩·𝋰·𝋫
Chinese: 一十三萬一千九百三十一
Chinese (financial): 壹拾參萬壹仟玖佰參拾壹

In other modern scripts

Eastern Arabic ١٣١٩٣١ Devanagari १३१९३१ Bengali ১৩১৯৩১ Tamil ௧௩௧௯௩௧ Thai ๑๓๑๙๓๑ Tibetan ༡༣༡༩༣༡ Khmer ១៣១៩៣១ Lao ໑໓໑໙໓໑ Burmese ၁၃၁၉၃၁

Also seen as

Unicode codepoint

𠍛

CJK Unified Ideograph-2035B

U+2035B

Other letter (Lo)

UTF-8 encoding: F0 A0 8D 9B (4 bytes).

Lookup U+2035B on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#02035B

RGB(2, 3, 91)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.91.

Address: 0.2.3.91
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.3.91

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 131,931 and was likely granted around 1872.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Look up US131,931 on Google Patents ↗ Look up on USPTO ↗