131,849
131,849 is a prime, odd.
131,849 (one hundred thirty-one thousand eight hundred forty-nine) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x20309.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 864
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 948,131
- Recamán's sequence
- a(228,674) = 131,849
- Square (n²)
- 17,384,158,801
- Cube (n³)
- 2,292,083,953,753,049
- Divisor count
- 2
- σ(n) — sum of divisors
- 131,850
- φ(n) — Euler's totient
- 131,848
Primality
131,849 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,849 = [363; (9, 13, 10, 1, 3, 4, 1, 1, 1, 1, 1, 1, 1, 2, 45, 145, 4, 1, 1, 65, 2, 6, 1, 1, …)]
Representations
- In words
- one hundred thirty-one thousand eight hundred forty-nine
- Ordinal
- 131849th
- Binary
- 100000001100001001
- Octal
- 401411
- Hexadecimal
- 0x20309
- Base64
- AgMJ
- One's complement
- 4,294,835,446 (32-bit)
- Scientific notation
- 1.31849 × 10⁵
- As a duration
- 131,849 s = 1 day, 12 hours, 37 minutes, 29 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαωμθʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋬·𝋩
- Chinese
- 一十三萬一千八百四十九
- Chinese (financial)
- 壹拾參萬壹仟捌佰肆拾玖
Also seen as
UTF-8 encoding: F0 A0 8C 89 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.9.
- Address
- 0.2.3.9
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.9
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 131,849 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 131849 first appears in π at position 687,448 of the decimal expansion (the 687,448ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.