131,360
131,360 is a composite number, even.
131,360 (one hundred thirty-one thousand three hundred sixty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 5 × 821. Its proper divisors sum to 179,356, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20120.
Interestingness
Properties
Primality
Prime factorization: 2 5 × 5 × 821
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,360 = [362; (2, 3, 2, 2, 1, 1, 3, 17, 2, 2, 44, 1, 9, 4, 3, 7, 1, 5, 9, 181, 9, 5, 1, 7, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand three hundred sixty
- Ordinal
- 131360th
- Binary
- 100000000100100000
- Octal
- 400440
- Hexadecimal
- 0x20120
- Base64
- AgEg
- One's complement
- 4,294,835,935 (32-bit)
- Scientific notation
- 1.3136 × 10⁵
- As a duration
- 131,360 s = 1 day, 12 hours, 29 minutes, 20 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλατξʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋨·𝋠
- Chinese
- 一十三萬一千三百六十
- Chinese (financial)
- 壹拾參萬壹仟參佰陸拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131360, here are decompositions:
- 3 + 131357 = 131360
- 43 + 131317 = 131360
- 67 + 131293 = 131360
- 109 + 131251 = 131360
- 139 + 131221 = 131360
- 157 + 131203 = 131360
- 211 + 131149 = 131360
- 337 + 131023 = 131360
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 84 A0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.32.
- Address
- 0.2.1.32
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.32
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 131,360 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 131360 first appears in π at position 168,687 of the decimal expansion (the 168,687ordinal-suffix:th 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.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.