131,726
131,726 is a composite number, even.
131,726 (one hundred thirty-one thousand seven hundred twenty-six) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2 × 7 × 97². Written other ways, in hexadecimal, 0x2028E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 252
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 627,131
- Recamán's sequence
- a(228,920) = 131,726
- Square (n²)
- 17,351,739,076
- Cube (n³)
- 2,285,675,181,525,176
- Divisor count
- 12
- σ(n) — sum of divisors
- 228,168
- φ(n) — Euler's totient
- 55,872
- Sum of prime factors
- 203
Primality
Prime factorization: 2 × 7 × 97 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,726 = [362; (1, 15, 1, 7, 2, 362, 2, 7, 1, 15, 1, 724)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand seven hundred twenty-six
- Ordinal
- 131726th
- Binary
- 100000001010001110
- Octal
- 401216
- Hexadecimal
- 0x2028E
- Base64
- AgKO
- One's complement
- 4,294,835,569 (32-bit)
- Scientific notation
- 1.31726 × 10⁵
- As a duration
- 131,726 s = 1 day, 12 hours, 35 minutes, 26 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαψκϛʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋦·𝋦
- Chinese
- 一十三萬一千七百二十六
- Chinese (financial)
- 壹拾參萬壹仟柒佰貳拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131726, here are decompositions:
- 13 + 131713 = 131726
- 19 + 131707 = 131726
- 109 + 131617 = 131726
- 229 + 131497 = 131726
- 277 + 131449 = 131726
- 313 + 131413 = 131726
- 409 + 131317 = 131726
- 433 + 131293 = 131726
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 8A 8E (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.142.
- Address
- 0.2.2.142
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.142
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 131,726 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 131726 first appears in π at position 316,448 of the decimal expansion (the 316,448ordinal-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.