523,000
523,000 is a composite number, even.
523,000 (five hundred twenty-three thousand) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5³ × 523. Its proper divisors sum to 703,160, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7FAF8.
Interestingness
Properties
Primality
Prime factorization: 2 3 × 5 3 × 523
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√523,000 = [723; (5, 2, 1, 34, 1, 1, 2, 3, 1, 1, 2, 1, 5, 1, 1, 5, 2, 5, 1, 32, 37, 17, 1, 4, …)]
Representations
- In words
- five hundred twenty-three thousand
- Ordinal
- 523000th
- Binary
- 1111111101011111000
- Octal
- 1775370
- Hexadecimal
- 0x7FAF8
- Base64
- B/r4
- One's complement
- 4,294,444,295 (32-bit)
- Scientific notation
- 5.23 × 10⁵
- As a duration
- 523,000 s = 6 days, 1 hour, 16 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼
- Greek (Milesian)
- ͵φκγ
- Chinese
- 五十二萬三千
- Chinese (financial)
- 伍拾貳萬參仟
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 523000, here are decompositions:
- 11 + 522989 = 523000
- 41 + 522959 = 523000
- 53 + 522947 = 523000
- 113 + 522887 = 523000
- 173 + 522827 = 523000
- 239 + 522761 = 523000
- 251 + 522749 = 523000
- 263 + 522737 = 523000
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.250.248.
- Address
- 0.7.250.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.250.248
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 523,000 and was likely granted around 1894.
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°.