131,585
131,585 is a composite number, odd.
131,585 (one hundred thirty-one thousand five hundred eighty-five) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 5 × 26,317. Written other ways, in hexadecimal, 0x20201.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 600
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 585,131
- Recamán's sequence
- a(229,202) = 131,585
- Square (n²)
- 17,314,612,225
- Cube (n³)
- 2,278,343,249,626,625
- Divisor count
- 4
- σ(n) — sum of divisors
- 157,908
- φ(n) — Euler's totient
- 105,264
- Sum of prime factors
- 26,322
Primality
Prime factorization: 5 × 26317
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,585 = [362; (1, 2, 1, 16, 1, 17, 5, 6, 9, 45, 4, 3, 1, 2, 3, 1, 2, 4, 5, 1, 3, 3, 1, 1, …)]
Representations
- In words
- one hundred thirty-one thousand five hundred eighty-five
- Ordinal
- 131585th
- Binary
- 100000001000000001
- Octal
- 401001
- Hexadecimal
- 0x20201
- Base64
- AgIB
- One's complement
- 4,294,835,710 (32-bit)
- Scientific notation
- 1.31585 × 10⁵
- As a duration
- 131,585 s = 1 day, 12 hours, 33 minutes, 5 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαφπεʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋳·𝋥
- Chinese
- 一十三萬一千五百八十五
- Chinese (financial)
- 壹拾參萬壹仟伍佰捌拾伍
Also seen as
UTF-8 encoding: F0 A0 88 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.1.
- Address
- 0.2.2.1
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.1
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 131,585 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.