131,860
131,860 is a composite number, even.
131,860 (one hundred thirty-one thousand eight hundred sixty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 19 × 347. Its proper divisors sum to 160,460, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20314.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 68,131
- Recamán's sequence
- a(228,652) = 131,860
- Square (n²)
- 17,387,059,600
- Cube (n³)
- 2,292,657,678,856,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 292,320
- φ(n) — Euler's totient
- 49,824
- Sum of prime factors
- 375
Primality
Prime factorization: 2 2 × 5 × 19 × 347
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,860 = [363; (7, 1, 47, 1, 1, 5, 2, 80, 4, 4, 3, 1, 4, 1, 1, 1, 1, 1, 1, 15, 1, 8, 38, 8, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand eight hundred sixty
- Ordinal
- 131860th
- Binary
- 100000001100010100
- Octal
- 401424
- Hexadecimal
- 0x20314
- Base64
- AgMU
- One's complement
- 4,294,835,435 (32-bit)
- Scientific notation
- 1.3186 × 10⁵
- As a duration
- 131,860 s = 1 day, 12 hours, 37 minutes, 40 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλαωξʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋭·𝋠
- Chinese
- 一十三萬一千八百六十
- Chinese (financial)
- 壹拾參萬壹仟捌佰陸拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131860, here are decompositions:
- 11 + 131849 = 131860
- 23 + 131837 = 131860
- 83 + 131777 = 131860
- 89 + 131771 = 131860
- 101 + 131759 = 131860
- 149 + 131711 = 131860
- 173 + 131687 = 131860
- 233 + 131627 = 131860
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 8C 94 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.20.
- Address
- 0.2.3.20
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.20
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 131,860 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.