557,000
557,000 is a composite number, even.
557,000 (five hundred fifty-seven thousand) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5³ × 557. Its proper divisors sum to 748,720, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x87FC8.
Interestingness
Properties
Primality
Prime factorization: 2 3 × 5 3 × 557
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√557,000 = [746; (3, 12, 373, 12, 3, 1492)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- five hundred fifty-seven thousand
- Ordinal
- 557000th
- Binary
- 10000111111111001000
- Octal
- 2077710
- Hexadecimal
- 0x87FC8
- Base64
- CH/I
- One's complement
- 4,294,410,295 (32-bit)
- Scientific notation
- 5.57 × 10⁵
- As a duration
- 557,000 s = 6 days, 10 hours, 43 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼
- Greek (Milesian)
- ͵φνζ
- Chinese
- 五十五萬七千
- Chinese (financial)
- 伍拾伍萬柒仟
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 557000, here are decompositions:
- 13 + 556987 = 557000
- 19 + 556981 = 557000
- 43 + 556957 = 557000
- 61 + 556939 = 557000
- 109 + 556891 = 557000
- 139 + 556861 = 557000
- 151 + 556849 = 557000
- 181 + 556819 = 557000
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.127.200.
- Address
- 0.8.127.200
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.127.200
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 557,000 and was likely granted around 1895.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.