131,804
131,804 is a composite number, even.
131,804 (one hundred thirty-one thousand eight hundred four) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 83 × 397. Written other ways, in hexadecimal, 0x202DC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 408,131
- Recamán's sequence
- a(228,764) = 131,804
- Square (n²)
- 17,372,294,416
- Cube (n³)
- 2,289,737,893,206,464
- Divisor count
- 12
- σ(n) — sum of divisors
- 234,024
- φ(n) — Euler's totient
- 64,944
- Sum of prime factors
- 484
Primality
Prime factorization: 2 2 × 83 × 397
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,804 = [363; (20, 1, 2, 1, 10, 11, 12, 1, 7, 18, 38, 6, 4, 3, 2, 6, 1, 1, 4, 1, 1, 1, 6, 7, …)]
Representations
- In words
- one hundred thirty-one thousand eight hundred four
- Ordinal
- 131804th
- Binary
- 100000001011011100
- Octal
- 401334
- Hexadecimal
- 0x202DC
- Base64
- AgLc
- One's complement
- 4,294,835,491 (32-bit)
- Scientific notation
- 1.31804 × 10⁵
- As a duration
- 131,804 s = 1 day, 12 hours, 36 minutes, 44 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαωδʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋪·𝋤
- Chinese
- 一十三萬一千八百零四
- Chinese (financial)
- 壹拾參萬壹仟捌佰零肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131804, here are decompositions:
- 7 + 131797 = 131804
- 61 + 131743 = 131804
- 73 + 131731 = 131804
- 97 + 131707 = 131804
- 103 + 131701 = 131804
- 163 + 131641 = 131804
- 193 + 131611 = 131804
- 223 + 131581 = 131804
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 8B 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.220.
- Address
- 0.2.2.220
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.220
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 131,804 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.