130,320
130,320 is a composite number, even.
130,320 (one hundred thirty thousand three hundred twenty) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 3² × 5 × 181. Its proper divisors sum to 309,756, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FD10.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 23,031
- Square (n²)
- 16,983,302,400
- Cube (n³)
- 2,213,263,968,768,000
- Divisor count
- 60
- σ(n) — sum of divisors
- 440,076
- φ(n) — Euler's totient
- 34,560
- Sum of prime factors
- 200
Primality
Prime factorization: 2 4 × 3 2 × 5 × 181
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,320 = [360; (1, 720)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand three hundred twenty
- Ordinal
- 130320th
- Binary
- 11111110100010000
- Octal
- 376420
- Hexadecimal
- 0x1FD10
- Base64
- Af0Q
- One's complement
- 4,294,836,975 (32-bit)
- Scientific notation
- 1.3032 × 10⁵
- As a duration
- 130,320 s = 1 day, 12 hours, 12 minutes
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρλτκʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋰·𝋠
- Chinese
- 一十三萬零三百二十
- Chinese (financial)
- 壹拾參萬零參佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130320, here are decompositions:
- 13 + 130307 = 130320
- 17 + 130303 = 130320
- 41 + 130279 = 130320
- 53 + 130267 = 130320
- 59 + 130261 = 130320
- 61 + 130259 = 130320
- 67 + 130253 = 130320
- 79 + 130241 = 130320
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.253.16.
- Address
- 0.1.253.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.253.16
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 130,320 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 130320 first appears in π at position 202,753 of the decimal expansion (the 202,753ordinal-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°.