131,465
131,465 is a composite number, odd.
131,465 (one hundred thirty-one thousand four hundred sixty-five) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 5 × 26,293. Written other ways, in hexadecimal, 0x20189.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 360
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 564,131
- Recamán's sequence
- a(229,442) = 131,465
- Square (n²)
- 17,283,046,225
- Cube (n³)
- 2,272,115,671,969,625
- Divisor count
- 4
- σ(n) — sum of divisors
- 157,764
- φ(n) — Euler's totient
- 105,168
- Sum of prime factors
- 26,298
Primality
Prime factorization: 5 × 26293
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,465 = [362; (1, 1, 2, 1, 1, 2, 2, 2, 1, 6, 3, 1, 3, 2, 1, 3, 3, 5, 37, 1, 44, 2, 1, 6, …)]
Representations
- In words
- one hundred thirty-one thousand four hundred sixty-five
- Ordinal
- 131465th
- Binary
- 100000000110001001
- Octal
- 400611
- Hexadecimal
- 0x20189
- Base64
- AgGJ
- One's complement
- 4,294,835,830 (32-bit)
- Scientific notation
- 1.31465 × 10⁵
- As a duration
- 131,465 s = 1 day, 12 hours, 31 minutes, 5 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυξεʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋭·𝋥
- Chinese
- 一十三萬一千四百六十五
- Chinese (financial)
- 壹拾參萬壹仟肆佰陸拾伍
Also seen as
UTF-8 encoding: F0 A0 86 89 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.137.
- Address
- 0.2.1.137
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.137
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 131,465 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 131465 first appears in π at position 95,960 of the decimal expansion (the 95,960ordinal-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.