130,018
130,018 is a composite number, even.
130,018 (one hundred thirty thousand eighteen) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 7 × 37 × 251. Written other ways, in hexadecimal, 0x1FBE2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 810,031
- Recamán's sequence
- a(33,792) = 130,018
- Square (n²)
- 16,904,680,324
- Cube (n³)
- 2,197,912,726,365,832
- Divisor count
- 16
- σ(n) — sum of divisors
- 229,824
- φ(n) — Euler's totient
- 54,000
- Sum of prime factors
- 297
Primality
Prime factorization: 2 × 7 × 37 × 251
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,018 = [360; (1, 1, 2, 1, 1, 1, 1, 1, 3, 1, 10, 1, 5, 1, 1, 2, 1, 1, 3, 1, 20, 2, 3, 79, …)]
Representations
- In words
- one hundred thirty thousand eighteen
- Ordinal
- 130018th
- Binary
- 11111101111100010
- Octal
- 375742
- Hexadecimal
- 0x1FBE2
- Base64
- Afvi
- One's complement
- 4,294,837,277 (32-bit)
- Scientific notation
- 1.30018 × 10⁵
- As a duration
- 130,018 s = 1 day, 12 hours, 6 minutes, 58 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλιηʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋠·𝋲
- Chinese
- 一十三萬零一十八
- Chinese (financial)
- 壹拾參萬零壹拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130018, here are decompositions:
- 47 + 129971 = 130018
- 59 + 129959 = 130018
- 101 + 129917 = 130018
- 131 + 129887 = 130018
- 269 + 129749 = 130018
- 281 + 129737 = 130018
- 311 + 129707 = 130018
- 347 + 129671 = 130018
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9F AF A2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.251.226.
- Address
- 0.1.251.226
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.251.226
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 130,018 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.