130,572
130,572 is a composite number, even.
130,572 (one hundred thirty thousand five hundred seventy-two) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2² × 3⁴ × 13 × 31. Its proper divisors sum to 248,884, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FE0C.
Interestingness
Properties
Primality
Prime factorization: 2 2 × 3 4 × 13 × 31
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,572 = [361; (2, 1, 7, 5, 3, 3, 2, 1, 2, 19, 1, 2, 2, 1, 1, 1, 2, 1, 6, 4, 2, 4, 1, 79, …)]
Representations
- In words
- one hundred thirty thousand five hundred seventy-two
- Ordinal
- 130572nd
- Binary
- 11111111000001100
- Octal
- 377014
- Hexadecimal
- 0x1FE0C
- Base64
- Af4M
- One's complement
- 4,294,836,723 (32-bit)
- Scientific notation
- 1.30572 × 10⁵
- As a duration
- 130,572 s = 1 day, 12 hours, 16 minutes, 12 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλφοβʹ
- Mayan (base 20)
- 𝋰·𝋦·𝋨·𝋬
- Chinese
- 一十三萬零五百七十二
- Chinese (financial)
- 壹拾參萬零伍佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130572, here are decompositions:
- 19 + 130553 = 130572
- 41 + 130531 = 130572
- 59 + 130513 = 130572
- 83 + 130489 = 130572
- 89 + 130483 = 130572
- 103 + 130469 = 130572
- 149 + 130423 = 130572
- 163 + 130409 = 130572
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.254.12.
- Address
- 0.1.254.12
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.254.12
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 130,572 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 130572 first appears in π at position 27,462 of the decimal expansion (the 27,462ordinal-suffix:nd 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°.