130,120
130,120 is a composite number, even.
130,120 (one hundred thirty thousand one hundred twenty) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 5 × 3,253. Its proper divisors sum to 162,740, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FC48.
Interestingness
Properties
Primality
Prime factorization: 2 3 × 5 × 3253
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,120 = [360; (1, 2, 1, 1, 2, 3, 1, 7, 2, 1, 179, 1, 2, 7, 1, 3, 2, 1, 1, 2, 1, 720)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand one hundred twenty
- Ordinal
- 130120th
- Binary
- 11111110001001000
- Octal
- 376110
- Hexadecimal
- 0x1FC48
- Base64
- AfxI
- One's complement
- 4,294,837,175 (32-bit)
- Scientific notation
- 1.3012 × 10⁵
- As a duration
- 130,120 s = 1 day, 12 hours, 8 minutes, 40 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρλρκʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋦·𝋠
- Chinese
- 一十三萬零一百二十
- Chinese (financial)
- 壹拾參萬零壹佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130120, here are decompositions:
- 41 + 130079 = 130120
- 47 + 130073 = 130120
- 149 + 129971 = 130120
- 167 + 129953 = 130120
- 227 + 129893 = 130120
- 233 + 129887 = 130120
- 317 + 129803 = 130120
- 383 + 129737 = 130120
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.252.72.
- Address
- 0.1.252.72
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.252.72
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 130,120 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 130120 first appears in π at position 349,291 of the decimal expansion (the 349,291ordinal-suffix:st 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.