131,081
131,081 is a composite number, odd.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 180,131
- Square (n²)
- 17,182,228,561
- Cube (n³)
- 2,252,263,702,004,441
- Divisor count
- 4
- σ(n) — sum of divisors
- 138,000
- φ(n) — Euler's totient
- 124,164
- Sum of prime factors
- 6,918
Primality
Prime factorization: 19 × 6899
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,081 = [362; (19, 1, 1, 3, 7, 1, 16, 1, 3, 1, 1, 2, 1, 1, 3, 2, 1, 4, 1, 4, 1, 30, 1, 1, …)]
Representations
- In words
- one hundred thirty-one thousand eighty-one
- Ordinal
- 131081st
- Binary
- 100000000000001001
- Octal
- 400011
- Hexadecimal
- 0x20009
- Base64
- AgAJ
- One's complement
- 4,294,836,214 (32-bit)
- Scientific notation
- 1.31081 × 10⁵
- As a duration
- 131,081 s = 1 day, 12 hours, 24 minutes, 41 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλαπαʹ
- Mayan (base 20)
- 𝋰·𝋧·𝋮·𝋡
- Chinese
- 一十三萬一千零八十一
- Chinese (financial)
- 壹拾參萬壹仟零捌拾壹
Also seen as
UTF-8 encoding: F0 A0 80 89 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.9.
- Address
- 0.2.0.9
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.0.9
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 131,081 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.