479,808
479,808 is a composite number, even.
479,808 (four hundred seventy-nine thousand eight hundred eight) is an even 6-digit number. It is a composite number with 126 divisors, and factors as 2⁶ × 3² × 7² × 17. Its proper divisors sum to 1,214,118, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x75240.
Interestingness
Properties
Primality
Prime factorization: 2 6 × 3 2 × 7 2 × 17
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√479,808 = [692; (1, 2, 7, 28, 7, 2, 1, 1384)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- four hundred seventy-nine thousand eight hundred eight
- Ordinal
- 479808th
- Binary
- 1110101001001000000
- Octal
- 1651100
- Hexadecimal
- 0x75240
- Base64
- B1JA
- One's complement
- 4,294,487,487 (32-bit)
- Scientific notation
- 4.79808 × 10⁵
- As a duration
- 479,808 s = 5 days, 13 hours, 16 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵υοθωηʹ
- Chinese
- 四十七萬九千八百零八
- Chinese (financial)
- 肆拾柒萬玖仟捌佰零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 479808, here are decompositions:
- 11 + 479797 = 479808
- 31 + 479777 = 479808
- 37 + 479771 = 479808
- 47 + 479761 = 479808
- 59 + 479749 = 479808
- 107 + 479701 = 479808
- 179 + 479629 = 479808
- 227 + 479581 = 479808
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.82.64.
- Address
- 0.7.82.64
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.82.64
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 479,808 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 479808 first appears in π at position 990,644 of the decimal expansion (the 990,644ordinal-suffix:th 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°.