131,966
131,966 is a composite number, even.
131,966 (one hundred thirty-one thousand nine hundred sixty-six) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 65,983. Written other ways, in hexadecimal, 0x2037E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 972
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 669,131
- Recamán's sequence
- a(228,440) = 131,966
- Square (n²)
- 17,415,025,156
- Cube (n³)
- 2,298,191,209,736,696
- Divisor count
- 4
- σ(n) — sum of divisors
- 197,952
- φ(n) — Euler's totient
- 65,982
- Sum of prime factors
- 65,985
Primality
Prime factorization: 2 × 65983
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,966 = [363; (3, 1, 2, 5, 4, 2, 3, 1, 3, 20, 2, 37, 1, 3, 55, 1, 1, 1, 2, 1, 71, 1, 12, 1, …)]
Representations
- In words
- one hundred thirty-one thousand nine hundred sixty-six
- Ordinal
- 131966th
- Binary
- 100000001101111110
- Octal
- 401576
- Hexadecimal
- 0x2037E
- Base64
- AgN+
- One's complement
- 4,294,835,329 (32-bit)
- Scientific notation
- 1.31966 × 10⁵
- As a duration
- 131,966 s = 1 day, 12 hours, 39 minutes, 26 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαϡξϛʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋲·𝋦
- Chinese
- 一十三萬一千九百六十六
- Chinese (financial)
- 壹拾參萬壹仟玖佰陸拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131966, here are decompositions:
- 7 + 131959 = 131966
- 19 + 131947 = 131966
- 67 + 131899 = 131966
- 73 + 131893 = 131966
- 127 + 131839 = 131966
- 223 + 131743 = 131966
- 349 + 131617 = 131966
- 487 + 131479 = 131966
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 8D BE (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.126.
- Address
- 0.2.3.126
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.126
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 131,966 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.