130,081
130,081 is a composite number, odd.
130,081 (one hundred thirty thousand eighty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 7 × 18,583. Written other ways, in hexadecimal, 0x1FC21.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 180,031
- Recamán's sequence
- a(33,918) = 130,081
- Square (n²)
- 16,921,066,561
- Cube (n³)
- 2,201,109,259,321,441
- Divisor count
- 4
- σ(n) — sum of divisors
- 148,672
- φ(n) — Euler's totient
- 111,492
- Sum of prime factors
- 18,590
Primality
Prime factorization: 7 × 18583
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,081 = [360; (1, 2, 143, 1, 14, 28, 1, 3, 1, 2, 4, 1, 4, 1, 22, 2, 3, 1, 2, 1, 2, 4, 3, 2, …)]
Representations
- In words
- one hundred thirty thousand eighty-one
- Ordinal
- 130081st
- Binary
- 11111110000100001
- Octal
- 376041
- Hexadecimal
- 0x1FC21
- Base64
- Afwh
- One's complement
- 4,294,837,214 (32-bit)
- Scientific notation
- 1.30081 × 10⁵
- As a duration
- 130,081 s = 1 day, 12 hours, 8 minutes, 1 second
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλπαʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋤·𝋡
- Chinese
- 一十三萬零八十一
- Chinese (financial)
- 壹拾參萬零捌拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.252.33.
- Address
- 0.1.252.33
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.252.33
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 130,081 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.