131,982
131,982 is a composite number, even.
131,982 (one hundred thirty-one thousand nine hundred eighty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 21,997. Its proper divisors sum to 131,994, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2038E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 432
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 289,131
- Recamán's sequence
- a(228,408) = 131,982
- Square (n²)
- 17,419,248,324
- Cube (n³)
- 2,299,027,232,298,168
- Divisor count
- 8
- σ(n) — sum of divisors
- 263,976
- φ(n) — Euler's totient
- 43,992
- Sum of prime factors
- 22,002
Primality
Prime factorization: 2 × 3 × 21997
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,982 = [363; (3, 2, 2, 3, 1, 2, 31, 4, 2, 1, 8, 1, 2, 1, 9, 1, 3, 1, 2, 4, 10, 242, 10, 4, …)]
Period length 44 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand nine hundred eighty-two
- Ordinal
- 131982nd
- Binary
- 100000001110001110
- Octal
- 401616
- Hexadecimal
- 0x2038E
- Base64
- AgOO
- One's complement
- 4,294,835,313 (32-bit)
- Scientific notation
- 1.31982 × 10⁵
- As a duration
- 131,982 s = 1 day, 12 hours, 39 minutes, 42 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλαϡπβʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋳·𝋢
- Chinese
- 一十三萬一千九百八十二
- Chinese (financial)
- 壹拾參萬壹仟玖佰捌拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131982, here are decompositions:
- 13 + 131969 = 131982
- 23 + 131959 = 131982
- 41 + 131941 = 131982
- 43 + 131939 = 131982
- 73 + 131909 = 131982
- 83 + 131899 = 131982
- 89 + 131893 = 131982
- 199 + 131783 = 131982
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 8E 8E (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.142.
- Address
- 0.2.3.142
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.142
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 131,982 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 131982 first appears in π at position 47,503 of the decimal expansion (the 47,503ordinal-suffix:rd 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°.