131,725
131,725 is a composite number, odd.
131,725 (one hundred thirty-one thousand seven hundred twenty-five) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 5² × 11 × 479. Written other ways, in hexadecimal, 0x2028D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 210
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 527,131
- Recamán's sequence
- a(228,922) = 131,725
- Square (n²)
- 17,351,475,625
- Cube (n³)
- 2,285,623,126,703,125
- Divisor count
- 12
- σ(n) — sum of divisors
- 178,560
- φ(n) — Euler's totient
- 95,600
- Sum of prime factors
- 500
Primality
Prime factorization: 5 2 × 11 × 479
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,725 = [362; (1, 15, 2, 180, 1, 64, 1, 180, 2, 15, 1, 724)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand seven hundred twenty-five
- Ordinal
- 131725th
- Binary
- 100000001010001101
- Octal
- 401215
- Hexadecimal
- 0x2028D
- Base64
- AgKN
- One's complement
- 4,294,835,570 (32-bit)
- Scientific notation
- 1.31725 × 10⁵
- As a duration
- 131,725 s = 1 day, 12 hours, 35 minutes, 25 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαψκεʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋦·𝋥
- Chinese
- 一十三萬一千七百二十五
- Chinese (financial)
- 壹拾參萬壹仟柒佰貳拾伍
Also seen as
UTF-8 encoding: F0 A0 8A 8D (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.141.
- Address
- 0.2.2.141
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.141
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 131,725 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.