130,188
130,188 is a composite number, even.
130,188 (one hundred thirty thousand one hundred eighty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 19 × 571. Its proper divisors sum to 190,132, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FC8C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 881,031
- Square (n²)
- 16,948,915,344
- Cube (n³)
- 2,206,545,390,804,672
- Divisor count
- 24
- σ(n) — sum of divisors
- 320,320
- φ(n) — Euler's totient
- 41,040
- Sum of prime factors
- 597
Primality
Prime factorization: 2 2 × 3 × 19 × 571
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,188 = [360; (1, 4, 2, 2, 1, 14, 60, 14, 1, 2, 2, 4, 1, 720)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand one hundred eighty-eight
- Ordinal
- 130188th
- Binary
- 11111110010001100
- Octal
- 376214
- Hexadecimal
- 0x1FC8C
- Base64
- AfyM
- One's complement
- 4,294,837,107 (32-bit)
- Scientific notation
- 1.30188 × 10⁵
- As a duration
- 130,188 s = 1 day, 12 hours, 9 minutes, 48 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλρπηʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋩·𝋨
- Chinese
- 一十三萬零一百八十八
- Chinese (financial)
- 壹拾參萬零壹佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130188, here are decompositions:
- 5 + 130183 = 130188
- 17 + 130171 = 130188
- 41 + 130147 = 130188
- 61 + 130127 = 130188
- 67 + 130121 = 130188
- 89 + 130099 = 130188
- 101 + 130087 = 130188
- 109 + 130079 = 130188
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.252.140.
- Address
- 0.1.252.140
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.252.140
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 130,188 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 130188 first appears in π at position 130,623 of the decimal expansion (the 130,623ordinal-suffix:rd digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.