131,309
131,309 is a composite number, odd.
131,309 (one hundred thirty-one thousand three hundred nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 19 × 6,911. Written other ways, in hexadecimal, 0x200ED.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 903,131
- Square (n²)
- 17,242,053,481
- Cube (n³)
- 2,264,036,800,536,629
- Divisor count
- 4
- σ(n) — sum of divisors
- 138,240
- φ(n) — Euler's totient
- 124,380
- Sum of prime factors
- 6,930
Primality
Prime factorization: 19 × 6911
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,309 = [362; (2, 1, 2, 1, 3, 35, 1, 30, 1, 1, 6, 7, 10, 1, 2, 10, 3, 5, 2, 9, 2, 8, 19, 2, …)]
Representations
- In words
- one hundred thirty-one thousand three hundred nine
- Ordinal
- 131309th
- Binary
- 100000000011101101
- Octal
- 400355
- Hexadecimal
- 0x200ED
- Base64
- AgDt
- One's complement
- 4,294,835,986 (32-bit)
- Scientific notation
- 1.31309 × 10⁵
- As a duration
- 131,309 s = 1 day, 12 hours, 28 minutes, 29 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλατθʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋥·𝋩
- Chinese
- 一十三萬一千三百零九
- Chinese (financial)
- 壹拾參萬壹仟參佰零玖
Also seen as
UTF-8 encoding: F0 A0 83 AD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.237.
- Address
- 0.2.0.237
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.0.237
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 131,309 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 131309 first appears in π at position 962,045 of the decimal expansion (the 962,045ordinal-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.