130,828
130,828 is a composite number, even.
130,828 (one hundred thirty thousand eight hundred twenty-eight) is an even 6-digit number. It is a composite number with 6 divisors, and factors as 2² × 32,707. Written other ways, in hexadecimal, 0x1FF0C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 828,031
- Square (n²)
- 17,115,965,584
- Cube (n³)
- 2,239,247,545,423,552
- Divisor count
- 6
- σ(n) — sum of divisors
- 228,956
- φ(n) — Euler's totient
- 65,412
- Sum of prime factors
- 32,711
Primality
Prime factorization: 2 2 × 32707
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,828 = [361; (1, 2, 2, 1, 5, 1, 4, 2, 7, 2, 2, 3, 1, 2, 6, 1, 17, 1, 2, 5, 1, 5, 2, 1, …)]
Representations
- In words
- one hundred thirty thousand eight hundred twenty-eight
- Ordinal
- 130828th
- Binary
- 11111111100001100
- Octal
- 377414
- Hexadecimal
- 0x1FF0C
- Base64
- Af8M
- One's complement
- 4,294,836,467 (32-bit)
- Scientific notation
- 1.30828 × 10⁵
- As a duration
- 130,828 s = 1 day, 12 hours, 20 minutes, 28 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλωκηʹ
- Mayan (base 20)
- 𝋰·𝋧·𝋡·𝋨
- Chinese
- 一十三萬零八百二十八
- Chinese (financial)
- 壹拾參萬零捌佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130828, here are decompositions:
- 11 + 130817 = 130828
- 17 + 130811 = 130828
- 41 + 130787 = 130828
- 59 + 130769 = 130828
- 179 + 130649 = 130828
- 197 + 130631 = 130828
- 239 + 130589 = 130828
- 281 + 130547 = 130828
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.255.12.
- Address
- 0.1.255.12
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.255.12
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 130,828 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 130828 first appears in π at position 198,981 of the decimal expansion (the 198,981ordinal-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.