131,992
131,992 is a composite number, even.
131,992 (one hundred thirty-one thousand nine hundred ninety-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 7 × 2,357. Its proper divisors sum to 150,968, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20398.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 486
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 299,131
- Recamán's sequence
- a(228,388) = 131,992
- Square (n²)
- 17,421,888,064
- Cube (n³)
- 2,299,549,849,343,488
- Divisor count
- 16
- σ(n) — sum of divisors
- 282,960
- φ(n) — Euler's totient
- 56,544
- Sum of prime factors
- 2,370
Primality
Prime factorization: 2 3 × 7 × 2357
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,992 = [363; (3, 3, 1, 8, 4, 1, 29, 2, 8, 6, 3, 4, 1, 79, 1, 11, 1, 79, 1, 4, 3, 6, 8, 2, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand nine hundred ninety-two
- Ordinal
- 131992nd
- Binary
- 100000001110011000
- Octal
- 401630
- Hexadecimal
- 0x20398
- Base64
- AgOY
- One's complement
- 4,294,835,303 (32-bit)
- Scientific notation
- 1.31992 × 10⁵
- As a duration
- 131,992 s = 1 day, 12 hours, 39 minutes, 52 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλαϡϟβʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋳·𝋬
- Chinese
- 一十三萬一千九百九十二
- Chinese (financial)
- 壹拾參萬壹仟玖佰玖拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131992, here are decompositions:
- 23 + 131969 = 131992
- 53 + 131939 = 131992
- 59 + 131933 = 131992
- 83 + 131909 = 131992
- 101 + 131891 = 131992
- 131 + 131861 = 131992
- 233 + 131759 = 131992
- 281 + 131711 = 131992
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 8E 98 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.152.
- Address
- 0.2.3.152
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.152
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 131,992 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 131992 first appears in π at position 173,461 of the decimal expansion (the 173,461ordinal-suffix:st 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.