131,468
131,468 is a composite number, even.
131,468 (one hundred thirty-one thousand four hundred sixty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 23 × 1,429. Written other ways, in hexadecimal, 0x2018C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 576
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 864,131
- Recamán's sequence
- a(229,436) = 131,468
- Square (n²)
- 17,283,835,024
- Cube (n³)
- 2,272,271,222,935,232
- Divisor count
- 12
- σ(n) — sum of divisors
- 240,240
- φ(n) — Euler's totient
- 62,832
- Sum of prime factors
- 1,456
Primality
Prime factorization: 2 2 × 23 × 1429
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,468 = [362; (1, 1, 2, 2, 3, 2, 1, 1, 1, 2, 2, 14, 2, 1, 1, 1, 3, 55, 1, 1, 37, 1, 1, 1, …)]
Period length 58 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand four hundred sixty-eight
- Ordinal
- 131468th
- Binary
- 100000000110001100
- Octal
- 400614
- Hexadecimal
- 0x2018C
- Base64
- AgGM
- One's complement
- 4,294,835,827 (32-bit)
- Scientific notation
- 1.31468 × 10⁵
- As a duration
- 131,468 s = 1 day, 12 hours, 31 minutes, 8 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυξηʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋭·𝋨
- Chinese
- 一十三萬一千四百六十八
- Chinese (financial)
- 壹拾參萬壹仟肆佰陸拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131468, here are decompositions:
- 19 + 131449 = 131468
- 31 + 131437 = 131468
- 37 + 131431 = 131468
- 97 + 131371 = 131468
- 151 + 131317 = 131468
- 157 + 131311 = 131468
- 367 + 131101 = 131468
- 397 + 131071 = 131468
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 86 8C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.140.
- Address
- 0.2.1.140
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.140
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 131,468 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 131468 first appears in π at position 339,590 of the decimal expansion (the 339,590ordinal-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.