131,841
131,841 is a composite number, odd.
131,841 (one hundred thirty-one thousand eight hundred forty-one) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3³ × 19 × 257. It is the 513th triangular number. Written other ways, in hexadecimal, 0x20301.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 96
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 148,131
- Recamán's sequence
- a(228,690) = 131,841
- Square (n²)
- 17,382,049,281
- Cube (n³)
- 2,291,666,759,256,321
- Divisor count
- 16
- σ(n) — sum of divisors
- 206,400
- φ(n) — Euler's totient
- 82,944
- Sum of prime factors
- 285
Primality
Prime factorization: 3 3 × 19 × 257
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,841 = [363; (10, 11, 1, 4, 7, 1, 21, 1, 4, 2, 2, 1, 2, 1, 11, 1, 1, 2, 1, 2, 2, 2, 2, 2, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand eight hundred forty-one
- Ordinal
- 131841st
- Binary
- 100000001100000001
- Octal
- 401401
- Hexadecimal
- 0x20301
- Base64
- AgMB
- One's complement
- 4,294,835,454 (32-bit)
- Scientific notation
- 1.31841 × 10⁵
- As a duration
- 131,841 s = 1 day, 12 hours, 37 minutes, 21 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλαωμαʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋬·𝋡
- Chinese
- 一十三萬一千八百四十一
- Chinese (financial)
- 壹拾參萬壹仟捌佰肆拾壹
Also seen as
UTF-8 encoding: F0 A0 8C 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.1.
- Address
- 0.2.3.1
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.1
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 131,841 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 131841 first appears in π at position 457,752 of the decimal expansion (the 457,752ordinal-suffix:nd 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
- Triangular numbers — 1, 3, 6, 10, 15 … the counting numbers stacked into triangles, and Gauss's famous shortcut for summing them.
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.