131,844
131,844 is a composite number, even.
131,844 (one hundred thirty-one thousand eight hundred forty-four) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 3 × 10,987. Its proper divisors sum to 175,820, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20304.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 384
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 448,131
- Recamán's sequence
- a(228,684) = 131,844
- Square (n²)
- 17,382,840,336
- Cube (n³)
- 2,291,823,201,259,584
- Divisor count
- 12
- σ(n) — sum of divisors
- 307,664
- φ(n) — Euler's totient
- 43,944
- Sum of prime factors
- 10,994
Primality
Prime factorization: 2 2 × 3 × 10987
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,844 = [363; (9, 1, 2, 7, 4, 1, 1, 4, 1, 1, 2, 10, 1, 21, 10, 1, 1, 1, 2, 1, 2, 1, 1, 2, …)]
Representations
- In words
- one hundred thirty-one thousand eight hundred forty-four
- Ordinal
- 131844th
- Binary
- 100000001100000100
- Octal
- 401404
- Hexadecimal
- 0x20304
- Base64
- AgME
- One's complement
- 4,294,835,451 (32-bit)
- Scientific notation
- 1.31844 × 10⁵
- As a duration
- 131,844 s = 1 day, 12 hours, 37 minutes, 24 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαωμδʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋬·𝋤
- Chinese
- 一十三萬一千八百四十四
- Chinese (financial)
- 壹拾參萬壹仟捌佰肆拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131844, here are decompositions:
- 5 + 131839 = 131844
- 7 + 131837 = 131844
- 47 + 131797 = 131844
- 61 + 131783 = 131844
- 67 + 131777 = 131844
- 73 + 131771 = 131844
- 101 + 131743 = 131844
- 113 + 131731 = 131844
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 8C 84 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.4.
- Address
- 0.2.3.4
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.4
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 131,844 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 131844 first appears in π at position 544,690 of the decimal expansion (the 544,690ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.