131,925
131,925 is a composite number, odd.
131,925 (one hundred thirty-one thousand nine hundred twenty-five) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3 × 5² × 1,759. Written other ways, in hexadecimal, 0x20355.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 270
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 529,131
- Recamán's sequence
- a(228,522) = 131,925
- Square (n²)
- 17,404,205,625
- Cube (n³)
- 2,296,049,827,078,125
- Divisor count
- 12
- σ(n) — sum of divisors
- 218,240
- φ(n) — Euler's totient
- 70,320
- Sum of prime factors
- 1,772
Primality
Prime factorization: 3 × 5 2 × 1759
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,925 = [363; (4, 1, 1, 1, 9, 23, 3, 28, 1, 2, 1, 2, 5, 1, 8, 1, 5, 2, 1, 2, 1, 28, 3, 23, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand nine hundred twenty-five
- Ordinal
- 131925th
- Binary
- 100000001101010101
- Octal
- 401525
- Hexadecimal
- 0x20355
- Base64
- AgNV
- One's complement
- 4,294,835,370 (32-bit)
- Scientific notation
- 1.31925 × 10⁵
- As a duration
- 131,925 s = 1 day, 12 hours, 38 minutes, 45 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαϡκεʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋰·𝋥
- Chinese
- 一十三萬一千九百二十五
- Chinese (financial)
- 壹拾參萬壹仟玖佰貳拾伍
Also seen as
UTF-8 encoding: F0 A0 8D 95 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.85.
- Address
- 0.2.3.85
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.85
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 131,925 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.