131,823
131,823 is a composite number, odd.
131,823 (one hundred thirty-one thousand eight hundred twenty-three) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3² × 97 × 151. Written other ways, in hexadecimal, 0x202EF.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 144
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 328,131
- Recamán's sequence
- a(228,726) = 131,823
- Square (n²)
- 17,377,303,329
- Cube (n³)
- 2,290,728,256,738,767
- Divisor count
- 12
- σ(n) — sum of divisors
- 193,648
- φ(n) — Euler's totient
- 86,400
- Sum of prime factors
- 254
Primality
Prime factorization: 3 2 × 97 × 151
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,823 = [363; (13, 2, 4, 8, 1, 2, 1, 6, 1, 2, 1, 8, 4, 2, 13, 726)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand eight hundred twenty-three
- Ordinal
- 131823rd
- Binary
- 100000001011101111
- Octal
- 401357
- Hexadecimal
- 0x202EF
- Base64
- AgLv
- One's complement
- 4,294,835,472 (32-bit)
- Scientific notation
- 1.31823 × 10⁵
- As a duration
- 131,823 s = 1 day, 12 hours, 37 minutes, 3 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαωκγʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋫·𝋣
- Chinese
- 一十三萬一千八百二十三
- Chinese (financial)
- 壹拾參萬壹仟捌佰貳拾參
Also seen as
UTF-8 encoding: F0 A0 8B AF (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.239.
- Address
- 0.2.2.239
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.239
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 131,823 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 131823 first appears in π at position 537,420 of the decimal expansion (the 537,420ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.