521,312
521,312 is a composite number, even.
521,312 (five hundred twenty-one thousand three hundred twelve) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 11 × 1,481. Its proper divisors sum to 599,080, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7F460.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 60
- Digital root
- 5
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 213,125
- Square (n²)
- 271,766,201,344
- Cube (n³)
- 141,674,981,955,043,328
- Divisor count
- 24
- σ(n) — sum of divisors
- 1,120,392
- φ(n) — Euler's totient
- 236,800
- Sum of prime factors
- 1,502
Primality
Prime factorization: 2 5 × 11 × 1481
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√521,312 = [722; (51, 1, 1, 2, 1, 28, 1, 3, 11, 8, 2, 5, 6, 1, 3, 6, 5, 3, 44, 1, 4, 2, 1, 5, …)]
Representations
- In words
- five hundred twenty-one thousand three hundred twelve
- Ordinal
- 521312th
- Binary
- 1111111010001100000
- Octal
- 1772140
- Hexadecimal
- 0x7F460
- Base64
- B/Rg
- One's complement
- 4,294,445,983 (32-bit)
- Scientific notation
- 5.21312 × 10⁵
- As a duration
- 521,312 s = 6 days, 48 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓏺𓏺
- Greek (Milesian)
- ͵φκατιβʹ
- Chinese
- 五十二萬一千三百一十二
- Chinese (financial)
- 伍拾貳萬壹仟參佰壹拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 521312, here are decompositions:
- 3 + 521309 = 521312
- 13 + 521299 = 521312
- 31 + 521281 = 521312
- 61 + 521251 = 521312
- 139 + 521173 = 521312
- 151 + 521161 = 521312
- 193 + 521119 = 521312
- 271 + 521041 = 521312
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.244.96.
- Address
- 0.7.244.96
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.244.96
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 521,312 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°.